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April 1, 1673 |
cousin Magdaleentje (Helena) Maertens Leeuwenhoek (1653-1720) married Johannes de Coep |
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April 28, 1673 |
Wrote Letter 1 of 1673-04-28 (AB 1) to Henry Oldenburg |
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May 7, 1673 |
The Royal Society received Leeuwenhoek's first letter |
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May 19, 1673 |
At age 40, first letter published in Philosophical Transactions |
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August 8, 1673 |
mentor Constantijn Huygens wrote to Robert Hooke about Leeuwenhoek |
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August 15, 1673 |
Wrote Letter 2 of 1673-08-15 (AB 2) to Henry Oldenburg |
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August 21, 1673 |
mentor Reinier de Graaf buried |
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October 6, 1673 |
First letter's ten figures published in Philosophical Transactions |
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October 24, 1673 |
Leeuwenhoek's family members in 1673 |
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November 8, 1673 |
Wrote letter of 1673-11-08 (AB 3) to Henry Oldenburg |
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January 1, 1674 |
Paid the Familiegeld (estate tax) |
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March 10, 1674 |
nieces Margrieta and Maria Jans de Molijn married Arnoldus van den Heuvel and Cornelis Haaxman |
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April 5, 1674 |
Wrote letter of 1674-04-05 (AB 4) to Constantijn Huygens |
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April 7, 1674 |
Wrote Letter 3 of 1674-04-07 (AB 5) to Henry Oldenburg |
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April 16, 1674 |
Wrote letter of 1674-04-16 (AB 6) to Henry Oldenburg |
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April 24, 1674 |
Wrote letter of 1674-04-24 (AB 7) to Constantijn Huygens |
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June 1, 1674 |
Wrote Letter 4 of 1674-06-01 (AB 8) to Henry Oldenburg |
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July 6, 1674 |
Wrote Letter 5 of 1674-07-06 (AB 9) to Henry Oldenburg |
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August 1, 1674 |
First observed microbes |
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August 1, 1674 |
Visited by Jan Swammerdam |
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August 24, 1674 |
daughter Maria made a will |
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September 7, 1674 |
Wrote letter of 1674-09-07 (AB 10) to Henry Oldenburg |
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September 7, 1674 |
Wrote Letter 6 of 1674-09-07 (AB 11) to Henry Oldenburg |
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October 19, 1674 |
Wrote Letter 7 of 1674-10-19 (AB 12) to Henry Oldenburg |
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November 12, 1674 |
The Royal Society read and discussed Leeuwenhoek's letter of June 1, 1674 |
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December 4, 1674 |
Wrote Letter 8 of 1674-12-04 (AB 13) to Henry Oldenburg |
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December 21, 1674 |
Appointed to administer the affairs of sister-in-law Maria de Meij |
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December 26, 1674 |
Wrote letter of 1674-12-26 (AB 14) to Constantijn Huygens |
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December 31, 1674 |
sister-in-law Catharina Swalmius buried |
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January 1, 1675 |
cousin Maerten Huijchs Leeuwenhoek appointed tax farmer |
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January 22, 1675 |
Wrote Letter 9 of 1675-01-22 (AB 15) to Henry Oldenburg |
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February 11, 1675 |
Wrote Letter 10 of 1675-02-11 (AB 16) to Henry Oldenburg |
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March 26, 1675 |
Wrote Letter 11 of 1675-03-26 (AB 17) to Henry Oldenburg |
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August 14, 1675 |
Wrote Letter 12 of 1675-08-14 (AB 18) to Henry Oldenburg |
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September 15, 1675 |
First observed microbes in rain water |
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December 15, 1675 |
Jan Vermeer, the painter, buried |
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December 20, 1675 |
Wrote Letter 13 of 1675-12-20 (AB 19) to Henry Oldenburg |
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January 22, 1676 |
Wrote letter of 1676-01-22 (AB 20) to Henry Oldenburg |
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February 22, 1676 |
Wrote Letter 14 of 1676-02-22 (AB 21) to Henry Oldenburg |
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April 5, 1676 |
co-worker Daniel Bogaert married Maria van Rees |
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April 21, 1676 |
Wrote Letter 15 of 1676-04-21 (AB 22) to Henry Oldenburg |
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April 24, 1676 |
Began series of experiments to observe microbes |
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April 26, 1676 |
Began Pepper 2 experiment |
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May 29, 1676 |
Wrote Letter 16 of 1676-05-29 (AB 23) to Henry Oldenburg |
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July 1, 1676 |
Visited by Christiaan Huygens during the summer; he saw the infusoria |
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July 28, 1676 |
Wrote letter of 1676-07-28 (AB 24) to Henry Oldenburg |
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July 28, 1676 |
Wrote Letter 17 of 1676-07-28 (AB 25) to Robert Boyle |
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September 30, 1676 |
Appointed curator of estate of Catherine Bolnes, Vermeer's widow |
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October 9, 1676 |
Wrote Letter 18 of 1676-10-09 (AB 26) to Henry Oldenburg |
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October 30, 1676 |
Wrote letter of 1676-10-30 (AB 27) to Henry Oldenburg |
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November 7, 1676 |
Wrote letter of 1676-11-07 (AB 28) to Constantijn Huygens |
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November 18, 1676 |
Visited by Gottfried Leibniz |
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November 20, 1676 |
Magistrates approved payment by Maria Thins so Leeuwenhoek could pay Vermeer's creditors |
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November 27, 1676 |
Wrote letter of 1676-11-27 (AB 29) to Henry Oldenburg |
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January 22, 1677 |
mentor Jacob Spoors buried |
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January 30, 1677 |
cousin Lambrecht Huijchs Leeuwenhoek (1624-1701) bought A0129 Buitenwatersloot 214 |
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February 1, 1677 |
The Royal Society read the first part of Leeuwenhoek's long letter of the previous October 9 |
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February 2, 1677 |
Recovered twenty-six paintings from Jannetje Stevens to help pay Catherine Bolnes' creditors |
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February 8, 1677 |
The Royal Society read the second part of Leeuwenhoek's long letter of October 9, 1676 |
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February 15, 1677 |
Wrote letter of 1677-02-15 (AB 30) to Christiaan Huygens |
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February 22, 1677 |
The Royal Society read the third part of Leeuwenhoek's long letter of October 9, 1676. |
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March 12, 1677 |
Maria Thins filed a legal action to prevent Leeuwenhoek from selling The Art of Painting |
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March 15, 1677 |
Organized the auction of Vermeer's remaining paintings |
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March 23, 1677 |
Wrote Letter 19 of 1677-03-23 (AB 31) to Henry Oldenburg |
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March 25, 1677 |
The Royal Society published Leeuwenhoek's letter of October 9, 1676, reporting microbes in infusions |
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March 29, 1677 |
The Royal Society read Leeuwenhoek's letter of March 23, 1677 |
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May 14, 1677 |
Wrote Letter 20 of 1677-05-14 (AB 32) to Henry Oldenburg |
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May 18, 1677 |
Benedict Hahn and Henry Cordes wrote to the Royal Society attesting to microbes in Leeuwenhoek's infusions |
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May 27, 1677 |
The Royal Society read Leeuwenhoek's letter of May 14, 1677 |
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June 2, 1677 |
Robert Gordon wrote to the Royal Society attesting to microbes in Leeuwenhoek's infusions |
