YEAR | EVENTS, PUBLISHINGS, WRITINGS | note | |||||
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1672 Mar |
sent to Paris for diplomatic purpose ( realization of Concilium Aegyptiacum). | ||||||
1672 au- tumn |
first contact with Christiaan Huygens. Huygens recommends Leibniz to read John Wallis, Arithmetica infinitorum and Gregorius a S. Vincentio, Opus geometricum. |
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1673 Jan |
a visit to London for diplomatic purpose. | ||||||
1673 Jan to Feb |
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Boyle Hook | |||||
1673 after Mar |
through a controversy with British mathematicians, realizes his deficiency in mathematical knowledge. Leibniz consults with Huygens, and then studies latest and advanced mathematics (reads Pascal, Huygens, Descartes, James Gregory and others'). the beginning of a career as a mathematician. |
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1674 Sep |
lost a job (as the tutor of the son of Boineburg), and then he earns his living mainly as a legal counselor. contacts with Colbert, researches the French way of economy and industry. |
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1675 Jan |
completion of his calculator and the presentation at the Academy of Science. | ||||||
1675 Dec |
writes to Johann Friedrich, Duke of Hannover, accepting his invitation to come to Hannover. | ||||||
1675 Oct |
a remarkable progress in the calculus. the signs "dx" (for differential) and "the long S" (for the sum or integration) (very common to us today) appear in his manuscript. |
Boyer Cajori |
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1676 Jan |
a letter from Hannover ordering Leibniz to come to Hannover as soon as possible and get to work (as the councilor and librarian). but Leibniz wanted and tried to get a job at the Academy of Science, delayed his departure as possible. |
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1676 Oct |
couldn' t get a job, and finally left Paris for Hannover. | ||||||
1676 Oct |
a short stop in London. showed Oldenburg his calculator, read Newton's manuscript. |
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1676 Nov |
at the port of Sheerness (the mouth of the Thames), a storm stopped the ship (a yacht to Germany with wine) for 6 days, and Leibniz spent the time in meditating on universal language and universal characters. | ||||||
1676 Nov |
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