Johannes Gutenberg

Johannes Gutenberg : biography c. 1398 - 3 February 1468 Wallau adds,"His surname was derived from the house inhabited by his father and his paternal...

Johannes Gutenberg

Johannes Gutenberg : biography c. 1398 - 3 February 1468 Thus, they feel that "the decisive factor for the birth of typography", the use of...

Johannes Gutenberg

Johannes Gutenberg : biography c. 1398 - 3 February 1468 48 substantially complete copies are known to survive, including two at the British Library that...

John Harrison

John Harrison : biography 24 March 1693 - 24 March 1776 John Harrison (24 March 1693 – 24 March 1776) was a self-educated...

John Harrison

John Harrison : biography 24 March 1693 - 24 March 1776 A song, John Harrison's Hands, written by Brian McNeill and Dick Gaughan, appeared on...

John Harrison

John Harrison : biography 24 March 1693 - 24 March 1776 Harrison set out to solve the problem in a direct way: by producing a...

John Harrison

John Harrison : biography 24 March 1693 - 24 March 1776 Subsequent history After World War I, Harrison's timepieces were rediscovered at the Royal Greenwich...

John Harrison

John Harrison : biography 24 March 1693 - 24 March 1776 ] Harrison's first sea clock (H1) In 1730 Harrison created a description and drawings...

John Harrison

John Harrison : biography 24 March 1693 - 24 March 1776 Official portrait of Captain James Cook Captain James Cook used K1, a copy of...

John Harrison

John Harrison : biography 24 March 1693 - 24 March 1776 This first watch took six years to construct and Harrison, by then 68 years...