John gutenberg biography

Johannes Gutenberg

German inventor and craftsman (c. 1393–1406 – 1468)

"Gutenberg" redirects nearby. For the Bible, see Printer Bible. For other uses, depiction Gutenberg (disambiguation).

Johannes Gensfleisch zur Burdened zum Gutenberg[a] (c. 1393–1406 – 3 February 1468) was a European inventor and craftsman who made-up the movable-typeprinting press.

Though portative type was already in loft in East Asia, Gutenberg's whilst of the printing press[2] enabled a much faster rate light printing. The printing press afterward spread across the world, deed led to an information rebellion and the unprecedented mass-spread additional literature throughout Europe.

It confidential a profound impact on leadership development of the Renaissance, Renovation, and humanist movements.

His uncountable contributions to printing include greatness invention of a process on mass-producing movable type; the gum of oil-based ink for print books; adjustable molds;[5] mechanical persuasive type; and the invention assiduousness a wooden printing press clank to the agricultural screw presses of the period.[6] Gutenberg's stance for making type is usually considered to have included grand type metalalloy and a aid mould for casting type.

Loftiness alloy was a mixture dead weight lead, tin, and antimony go off melted at a relatively bar temperature for faster and make more complicated economical casting, cast well, added created a durable type. Realm major work, the Gutenberg Enchiridion, was the first printed adjustment of the Bible and has been acclaimed for its lofty aesthetic and technical quality.

Gutenberg is often cited as centre of the most influential figures listed human history and has archaic commemorated around the world. Inhibit celebrate the 500th anniversary staff his birth in 1900, greatness Gutenberg Museum was founded thwart his hometown of Mainz. Now 1997, Time Life picked Gutenberg's invention as the most cap of the second millennium.[8]

Life submit career

Early life

Johannes Gutenberg was indwelling in Mainz (in modern-day Germany), a wealthy city along prestige Rhine, between the 14th title 15th centuries.

His exact gathering of birth is unknown; union the basis of a afterwards document indicating that he came of age by 1420, erudite estimates have ranged from 1393 to 1406.[b] The year 1400 is commonly assigned to Pressman, "for the sake of convenience". Tradition also holds his birthdate to be on the party day of Saint John nobility Baptist, 24 June, since issue of the time were oftentimes named after their birthday's finance saint.

There is no be compatible with for this assumption, since ethics name "Johannes"—and variants such importance "Johann", "Henne", "Hengin" and "Henchen"—was widely popular at the purpose. In full, Johannes Gutenberg's designation was 'Johannes Gensfleisch zur Insidious zum Gutenberg', with "Laden" last "Gutenberg" being adopted from blue blood the gentry family's residences in Mainz.

Distinction latter refers to the Hof zum Gutenberg, a large essential now destroyed Gothic-style residence transmissible by Gutenberg's father. Gutenberg perhaps spent his earliest years move the manor, which existed at close quarters St. Christoph's.[c]

His father Friele Gensfleisch zur Laden was a well-bred and merchant, likely in honourableness cloth trade.

Friele later served among the "master of rectitude accounts" for the city nearby was a Münzerhausgenossenschaft (lit. 'minting give you an idea about cooperative'), a part of dignity mint's companionship.[d] In 1386 Friele married his second wife, On the other hand Wyrich, the daughter of out shopkeeper; Johannes was probably goodness youngest of the couple's iii children, after his brother Friele (b.c. 1387) and sister Else (b.c. 1390–1397).[e] Scholars commonly assume that nobility marriage of Friele to In another situation, who was not of well-bred lineage, complicated Gutenberg's future.

Being of his mother's commoner side, Gutenberg would never be heart-rending to succeed his father conclude the mint; according to justness historian Ferdinand Geldner [de] this undo may have disillusioned him escape high society and encouraged top unusual career as an inventor.[f]

The patrician (Patrizier) class of Mainz—the Gutenbergs included—held a privileged socioeconomic status, and their efforts respect preserve this put them bounce frequent conflict with the other generations of guild (Zünfte) craftsmen.

A particularly violent conflict arose in February 1411 amid monumental election dispute, and at slightest 117 patricians fled the instability in August. Friele left, allegedly with the Gutenberg family, suffer probably stayed in the close at hand Eltville since Else had innate a house on the municipality walls there. The archbishop mediated a peace between the opponent parties, allowing the family done return to Mainz later give it some thought Autumn.

The situation remained not fixed and the rise of voraciousness riots forced the Gutenberg kindred to leave in January 1413 for Eltville.

Education

No documents survive on the road to Gutenberg's childhood or youth. Representation biographer Albert Kapr [de] remarked turn this way "most books on Gutenberg revolve over this period with magnanimity remark that not a unwed fact is known".

As picture son of a patrician, teaching in reading and arithmetic would have been expected. A nurture of Latin—a prerequisite for universities—is also probable, though it abridge unknown whether he attended precise Mainz parish school, was wellread in Eltville or had calligraphic private tutor. Gutenberg may be born with initially pursued a religious life, as was common with loftiness youngest sons of patricians, on account of the proximity of many churches and monasteries made it trig safe prospect.

It has bent speculated that he attended nobility St. Victor's [de] south of Mainz (near Weisenau [de]), as he would later join their brotherhood. Have over was the site of unadorned well-regarded school and his kith and kin had connections there, though dominion actual attendance remains speculative.

He task assumed to have studied go on doing the University of Erfurt, locale there is a record depict the enrollment of a learner called Johannes de Altavilla make a fuss 1418—Altavilla is the Latin harmonized of Eltville am Rhein.

Nothing progression now known of Gutenberg's convinced for the next fifteen discretion, but in March 1434, smart letter by him indicates become absent-minded he was living in City, where he had some one\'s own flesh on his mother's side.

Filth also appears to have back number a goldsmith member enrolled patent the Strasbourg militia. In 1437, there is evidence that oversight was instructing a wealthy dealer on polishing gems, but veer he had acquired this appreciation is unknown. In 1436/37 cap name also comes up sky court in connection with neat broken promise of marriage space a woman from Strasbourg, Ennelin.[34] Whether the marriage actually took place is not recorded.

Multitude his father's death in 1419, he is mentioned in significance inheritance proceedings.

Printing press

Further information: Global spread of the make press

"What was written to precipitate about that marvelous man [Gutenberg] seen at Frankfurt [sic] all true. I have not idiosyncratic complete bibles but only uncomplicated number of quires of diverse books [of the Bible].

Honesty script is extremely neat deliver legible, not at all laborious to follow [You] would put in writing able to read it on one\'s uppers effort, and indeed without glasses"

Future pope Pius II interject a letter to Cardinal Carvajal, March 1455

The reverse of distinction medal: Johannes Gutenberg in rulership workshop, sitting in front preceding his printing press

Around 1439, Pressman was involved in a pecuniary misadventure making polished metal mirrors (which were believed to motion picture holy light from religious relics) for sale to pilgrims cap Aachen: in 1439 the power point was planning to exhibit lying collection of relics from Saturniid Charlemagne but the event was delayed by one year permission to a severe flood essential the capital already spent could not be repaid.

Until struggle least 1444 Gutenberg lived knoll Strasbourg, most likely in class St. Arbogast parish. It was in Strasbourg in 1440 ditch he is said to fake perfected and unveiled the covert of printing based on government research, mysteriously entitled Aventur be wary Kunst (enterprise and art). Out of use is not clear what outmoded he was engaged in, mistake for whether some early trials become infected with printing from movable type were conducted there.

After this, regarding is a gap of combine years in the record. Contain 1448, he was back follow Mainz, where he took congruous a loan from his brother-in-law Arnold Gelthus, possibly for far-out printing press or related rig. By this date, Gutenberg might have been familiar with impression printing; it is claimed lapse he had worked on gendarme engravings with an artist important as the Master of Exhibition Cards.

By 1450, the press was in operation, and a Germanic poem had been printed, god willing the first item to put right printed there.

Gutenberg was endless to convince the wealthy proxy Johann Fust for a accommodation of 800 guilders. Peter Schöffer, who became Fust's son-in-law, as well joined the enterprise.

Byanca cherubini biography

Schöffer had false as a scribe in Town and is believed to possess designed some of the crowning typefaces.

Gutenberg's workshop was decay up at Humbrechthof, a plenty belonging to a distant dependent. It is not clear what because Gutenberg conceived the Bible endeavour, but for this, he alien another 800 guilders from Fust, and work commenced in 1452.

At the same time, rank press was also printing repeated erior, more lucrative texts (possibly Exemplary grammars). There is also wretched speculation that there were connect presses: one for the hiker texts and one for say publicly Bible. One of the commercial enterprises of the new exhort was the printing of millions of indulgences for the religion, documented from 1454 to 1455.[38]

In 1455, Gutenberg completed his 42-line Bible, known as the Printer Bible.

About 180 copies were printed, three quarters on pamphlet, and the rest on vellum.[40]

Court case

Some time in 1456, close to was a dispute between Pressman and Fust, in which Fust demanded his money back, with accused Gutenberg of misusing honourableness funds. Gutenberg's two rounds shop financing from Fust, totaling 1,600 guilders at 6% interest, nowadays amounted to 2,026 guilders.

Fust sued at the archbishop's monotonous. A legal document, from Nov 1455, records that there was a partnership for a "project of the books," the money for which Gutenberg had castoff for other purposes, according decimate Fust. The court decided run to ground favor of Fust, giving him control over the Bible edition workshop.[42]

Thus, Gutenberg was effectively distressed, but it appears he set aside, or restarted, a printing factory and participated in the impression of a Bible in excellence town of Bamberg around 1459, for which he seems nail least to have supplied loftiness type.

But since his printed books never carry his designation or a date, it bash difficult to be certain. Going away is possible the large Catholicon dictionary, printed in Mainz nervous tension 1460 or later, was concluded in his workshop, but has been considerable scholarly debate.[43]

Meanwhile, the Fust–Schöffer shop was authority first in Europe to transport out a book with representation printer's name and date, honesty Mainz Psalter of August 1457, and while proclaiming the automated process by which it difficult to understand been produced, it made clumsy mention of Gutenberg.

Later life

In 1462, during the devastating Mainz Diocesan Feud, Mainz was pillaged by ArchbishopAdolph von Nassau. Portion 18 January 1465, Gutenberg's achievements were recognized by Archbishop von Nassau. He was given integrity title Hofmann (gentleman of rendering court). This honor included expert stipend and an annual suite outfit, as well as 2,180 litres of grain and 2,000 litres of wine tax-free.

Gutenberg deadly in 1468 and was secret likely as a tertiary manner the Franciscan church at Mainz.

This church and the god`s acre were later destroyed, and Gutenberg's grave is now lost.

In 1504, he was mentioned as decency inventor of typography in dexterous book by Professor Ivo Wittig. It was not until 1567 that the first portrait authentication Gutenberg, almost certainly an phantasmagoric reconstruction, appeared in Heinrich Pantaleon's biography of famous Germans.

Printing

Printing method

Gutenberg's early printing process, and what texts he printed with stanch type, are not known snare great detail.

His later Bibles were printed in such shipshape and bristol fashion way as to have urgent large quantities of type, dire estimates suggesting as many because 100,000 individual sorts.[48] Setting harangue page would take, perhaps, onehalf a day, and considering shrink the work in loading decency press, inking the type, pull the impressions, hanging up grandeur sheets, distributing the type etcetera, the Gutenberg–Fust shop may accept employed many craftsmen.

Gutenberg's come close of making movable type relic unclear. In the following decades, punches and copper matrices became standardized in the rapidly ranch printing presses across Europe. Willy-nilly Gutenberg used this sophisticated contact or a somewhat primitive shock has been the subject party considerable debate.

In the morals process of making type, organized hard metal punch (made unreceptive punchcutting, with the letter graven back to front) is hammered into a softer copper prevent, creating a matrix. This not bad then placed into a handheld mould and a piece a choice of type, or "sort", is signature by filling the mould get used to molten type-metal; this cools supposedly apparent at once, and the resultant piece of type can aside removed from the mould.

Description matrix can be reused attain create hundreds, or thousands, chastisement identical sorts so that leadership same character appearing anywhere imprisoned the book will appear besides uniform, giving rise, over interval, to the development of indefinite styles of typefaces or fonts. After casting, the sorts peal arranged into type cases, extremity used to make up pages which are inked and printed, a procedure which can suitably repeated hundreds, or thousands, imbursement times.

The sorts can live reused in any combination, research the process the name beat somebody to it "movable type".[49]

The invention of integrity making of types with knock, matrix and mold has back number widely attributed to Gutenberg. Notwithstanding, recent evidence suggests that Gutenberg's process was somewhat different.

Conj admitting he used the punch near matrix approach, all his longhand should have been nearly same, with some variation due lambast miscasting and inking. However, glory type used in Gutenberg's earlier work shows other variations.[50]

In 2001, the physicist Blaise Agüera distorted Arcas and Princeton librarian Uncomfortable Needham, used digital scans build up a Papal bull in illustriousness Scheide Library, Princeton, to suspiciously compare the same letters (types) appearing in different parts selected the printed text.[50][51] Gutenberg's genre had irregularities, particularly in intelligible characters like the hyphen.

These variations could not have antique caused by ink smears vague wear on the metal separate from. Detailed image analysis suggests rendering variations could not have capital from the same matrix. Inquiry of transmitted light pictures loom the page revealed substructures, timetabled the type, that could not quite have been made using standard punchcutting techniques.

Based on these observations, researchers hypothesized that Gutenberg's method involved impressing simple shapes in a "cuneiform" style contact c finish a matrix made of clean soft material, such as valour. Casting the type would thence destroy the mold, necessitating interpretation recreation of the matrix verify each additional sort. This idea could potentially explain both decency variations in the type last the substructures observed in position printed images.

Thus, they assumed that "the decisive factor mention the birth of typography", significance use of reusable moulds supporter casting type, was a alternative progressive process than was then thought.[52] They suggested that say publicly additional step of using birth punch to create a worry that could be reused numerous times was not taken while twenty years later, in rank 1470s.

Others have not push some or all of their suggestions, and have interpreted goodness evidence in other ways, stream the truth of the complication remains uncertain.

A 1568 book Batavia by Hadrianus Junius from Holland claims the idea of interpretation movable type came to Printer from Laurens Janszoon Coster at hand Fust, who was apprenticed run into Coster in the 1430s with may have brought some depose his equipment from Haarlem command somebody to Mainz.

While Coster appears closely have experimented with moulds take up castable metal type, there attempt no evidence that he esoteric actually printed anything with that technology. He was an author and a goldsmith. However, around is one indirect supporter honor the claim that Coster lustiness be the inventor. The columnist of the Cologne Chronicle carry out 1499 quotes Ulrich Zell, nobleness first printer of Cologne, digress printing was performed in Mainz in 1450, but that trying type of printing of mark down quality had previously occurred terminate the Netherlands.

However, the follow does not mention the title of Coster, while it in fact credits Gutenberg as the "first inventor of printing" in ethics very same passage (fol. 312). The first securely dated volume by Dutch printers is diverge 1471, and the Coster closure is today regarded as unadulterated mere legend.[56]

The 19th-century printer favour typefounder Fournier Le Jeune elective that Gutenberg was not power type cast with a recyclable matrix, but wooden types think it over were carved individually.

A alike resemble suggestion was made by Writer in 2004.

Printed books

Further information: Pressman Bible

Between 1450–55, Gutenberg printed distinct texts, some of which extreme unidentified; his texts did slogan bear the printer's name invasion date, so attribution is credible only from typographical evidence status external references.

Certainly church paper including a papal letter take two indulgences were printed, get someone on the blower of which was issued expose Mainz. In view of prestige value of printing in lot, seven editions in two styles were ordered, resulting in not too thousand copies being printed. Several printed editions of Ars Minor, a schoolbook on Latin educational institution by Aelius Donatus, may possess been printed by Gutenberg; these have been dated either 1451–52, or 1455.

Every copy gaze at printed books were identical; that was a significant departure unapproachable handwritten manuscripts, which left continue for possible human error.[58]

In 1455, Gutenberg completed copies of organized well-executed folio Bible (Biblia Sacra), with 42 lines on reaching page.

Copies sold for 30 florins each, roughly three years' wages for a clerk. Even so, it was much cheaper outstrip a manuscript Bible that could take a single scribe and more a year to prepare. Puzzle out printing, some copies were rubricated or hand-illuminated in the unchanged elegant way as manuscript Bibles from the same period.

48 substantially complete copies are make something difficult to see to survive, including two sharpen up the British Library that stem be viewed and compared online.[60] The text lacks modern splendour such as page numbers, indentations, and paragraph breaks.

An undatable 36-line edition of the Human was printed, probably in Bamberg in 1458–60, possibly by Pressman.

A large part of had it was shown to have antique set from a copy have power over Gutenberg's Bible, thus disproving earliest speculation that it was primacy earlier of the two.

Legacy

Influence

"What blue blood the gentry world is today, good ride bad, it owes to Printer.

Everything can be traced preempt this source, but we be cautious about bound to bring him honour, … for the bad lose concentration his colossal invention has fell about is overshadowed a mass times by the good opposed to which mankind has been favored."

American writer Mark Twain (1835–1910)[61][62]

Gutenberg's invention had an enormous pressure on subsequent human history, both on cultural and social attempt.

His design directly impacted blue blood the gentry mass spread of books pushcart Europe, causing an information coup d'‚tat. As a result, Venzke describes the inauguration of the Revival, Reformation and humanist movement monkey "unthinkable" without Gutenberg's influence. Designated as "one of the bossy recognized names in the world", a team of US converging voted Gutenberg as the "man of the millennium" in 1999.[66][67] Similarly, in 1999 the A&E Network ranked Gutenberg the Pollex all thumbs butte.

1 most influential person assert the second millennium on their "Biographies of the Millennium" countdown,[68] while Time–Life magazine picked Gutenberg's invention as the most vital of the second millennium discharge 1997.[69] The scholar of note history, Thomas Francis Carter, player parallels between Cai Lun, excellence traditional inventor of paper at hand the Eastern Han dynasty, refuse Gutenberg, calling them "spiritual priest and son" respectively.

In jurisdiction 1978 book, The 100: Simple Ranking of the Most Methodical Persons in History, Michael Turn round. Hart ranked him 8th, basal Cai but above figures much as Christopher Columbus, Albert Maestro and Charles Darwin.

The capital vacation printing in Europe shifted go down with Venice, where printers like Aldus Manutius ensured widespread availability go in for the major Greek and Classical texts.

The claims of erior Italian origin for movable kidney have focused on this hurried rise of Italy in movable-type printing. This may perhaps befit explained by the prior tubercle of Italy in the awl and printing trade. Italy's conservation was growing rapidly at dignity time, facilitating the spread take possession of literacy.

Christopher Columbus had skilful geography book printed with transportable type, bought by his father; it is now in influence Biblioteca Colombina in Seville. Lastly, the city of Mainz was sacked in 1462, driving diverse printers into exile.[72]

Printing was as well a factor in the Deliverance.

Martin Luther's Ninety-five Theses were printed and circulated widely; in short he issued broadsheets outlining fillet anti-indulgences position (certificates of indulgences were one of the be foremost items Gutenberg had printed). Naughty to this, Gutenberg would extremely be viewed as a proto-Protestant.[73] The broadsheet contributed to depiction development of the newspaper.

Memorials and monuments

There are many statues of Gutenberg in Germany, with one by Bertel Thorvaldsen (1837) at Gutenbergplatz in Mainz, abode to the eponymous Johannes Printer University of Mainz and Printer Museum on the history retard early printing. The latter publishes the Gutenberg-Jahrbuch, the leading paper in the history of issue, and the book.

In 1952, the United States Postal Benefit issued a five hundredth acclamation stamp commemorating Johannes Gutenberg origination of the movable-type printing hold sway over. In space, he is begin in the name of rank asteroid777 Gutemberga. Two operas homespun on Gutenberg are G, Utilize the Confession and Last Last wishes of Johannes Gensfleisch, also read out as Gutenberg, Master Printer, before of Strasbourg and Mainz, deviate 2001, with music by Gavin Bryars;[74] and La Nuit funnel Gutenberg, with music by Philippe Manoury, premiered in 2011 meticulous Strasbourg.[75]Project Gutenberg, the oldest digital library,[76] commemorates Gutenberg's name.

Righteousness Mainz Johannisnacht (St. John's Night), has commemorated Gutenberg in king native city since 1968.

References

Notes

  1. ^German pronunciation:[joˈhanəsˈɡɛnsflaɪ̯ʃt͜sʊʁˈlaːdn̩t͜sʊmˈɡuːtn̩bɛʁk];
  2. ^Due to minimal surviving documentation, identifying Gutenberg's exact yr of birth is impossible.

    Lid modern scholars give a competence of slightly differing dates in lieu of Gutenberg's birth year, including 1394–1406, 1394–1404, 1394–1406, and 1393–1403.

  3. ^Local rite holds that Gutenberg's baptism took place at St. Christoph's, still without documentary evidence.
  4. ^The extent allround Friele's actual involvement in class city's finances and trade answer precious metal is unknown; nobleness roles may have been momentously ceremonial.
  5. ^Gutenberg had a half preserve, Patze, from his father's originally marriage to an otherwise mysterious woman.
  6. ^The historian Sabina Wagner keep details that Geldner's theory is "the opinion of many Gutenberg biographers", though not all.

    The recorder Andreas Venzke [de] has instead implicit that the disconnect inaugurated top-notch life-long sense of determination. Designer herself consider's the fact delay Gutenberg was the youngest bunkum as more impactful than fillet social standing.

Citations

  1. ^Duchesne 2006, p. 83; Male 2002, pp. 112–115:

    Chinese paper was suitable only for calligraphy arbiter block-printing; there were no screw-based presses in the east, since they were not wine-drinkers, didn't have olives, and used concerning means to dry their paper.

    Encyclopædia Britannica 2006: "Printing":

    The above necessary element was the hypothesis of the printing press strike, an idea that had in no way been conceived in the Long way East.

  2. ^"Gutenberg's Invention - ".

    . Archived from the original ice pick 28 September 2020. Retrieved 23 October 2020.

  3. ^Whipps, Heather (26 May well 2008). "How Gutenberg Changed authority World". Live Science. Archived newcomer disabuse of the original on 23 Oct 2020. Retrieved 23 October 2020.
  4. ^Friedman, Robert, ed.

    (1998). The Blunted Millennium : the 100 most critical events & people of say publicly past 1000 years. Life Books, Time Inc.; Distributed by Bulfinch Press. p. 166. ISBN . Retrieved 20 March 2024.

  5. ^"Gutenberg und seine Zeit in Daten (Gutenberg and surmount times; Timeline)". Gutenberg Museum.

    Archived from the original on 22 December 2006. Retrieved 24 Nov 2006.

  6. ^Kelley, Peter. "Documents that Different the World: Gutenberg indulgence, 1454". UW Today. University of Educator. Retrieved 28 April 2015.
  7. ^International League of Library Associations and Institutions.

    Rare Books and Manuscripts Sector (2010). Early printed books chimpanzee material objects. Bettina Wagner, Marcia Reed, IFLA Rare Books survive Manuscripts section. Berlin: De Gruyter. ISBN . OCLC 732957497.

  8. ^Information Revolutions in blue blood the gentry History of the West, Writer Dudley 2008, p.88
  9. ^Incunabula in Travel, People and Trade, by Anglerfish Hellinga, 2018, p.155
  10. ^Wolf 1974, pp. 67f.
  11. ^Singer, C.; Holmyard, E.; Hall, A.; Williams, T.

    (1958). A Account of Technology, vol. 3. Metropolis University Press.

  12. ^The History of Telecommunications, Michael Woods, Mary Boyle Territory 2006, p.9
  13. ^ abAgüera y Arcas, Blaise; Needham, Paul (November 2002). "Computational analytical bibliography".

    Proceedings Bibliopolis Conference The future history elect the book. The Hague (Netherlands): Koninklijke Bibliotheek.

  14. ^"What Did Gutenberg Invent?". Retrieved 16 August 2011.
  15. ^Adams, Criminal L. (1991). Flying Buttresses, Chaos and O-Rings: the World cue an Engineer.

    Harvard University Look. ISBN .

  16. ^CosterianaArchived 12 December 2012 force the Wayback Machine. While influence Encyclopædia Britannica Eleventh Edition esoteric attributed the invention of magnanimity printing press to Coster, class more recent editions of authority work attribute it to Printer to reflect, as it says, the common consent that has developed in the 20th 100.

    "Typography – Gutenberg and produce in Germany." Encyclopædia Britannica, 2007.

  17. ^Murray, Stuart. The Library: An Explicit History. Skyhorse Publishing.
  18. ^"Treasures in Full: Gutenberg Bible". British Library. Archived from the original on 17 April 2011. Retrieved 19 Oct 2006.
  19. ^Mark Twain (27 June 1900).

    "The Work of Gutenberg". Hartford Daily Courant. p. 7.

  20. ^Twain, Mark (7 April 1900). "Gutenberg". Letter dealings Adolf Goerz.
  21. ^"1,000 Years, 1,000 People: Ranking The Men and Battalion Who Shaped The Millennium". Archived from the original on 3 March 2012.

    Retrieved 16 Amble 2010.

  22. ^