January 1, 1687 |
cousin Maarten Pieters Hogenhouck (1650-1720) appointed to Veertigraad, served 1687-1720 |
January 1, 1687 |
Published Vervolg der Brieven (Continuation of the Letters), Letters 53 - 60 |
January 1, 1687 |
Published Anatomia Seu Interiora Rerum (Interior Anatomy), Letters 43, 42, 38 |
January 1, 1687 |
Published Anatomia Seu Interiora Rerum (Interior Anatomy), 19 Letters from 28 - 52 |
January 27, 1687 |
cousin Magdaleentje (Helena) Maertens Leeuwenhoek married Barent van Frijtom |
March 1, 1687 |
Wrote letter of 1687-03-01 (AB 97) to James II, King of England |
March 28, 1687 |
mentor Constantijn Huygens died |
April 4, 1687 |
Wrote Letter 53 of 1687-04-04 (AB 98) to Members of the Royal Society about the structure of the teeth of elephant, pig, humans, ox, and horse and about toothache |
April 5, 1687 |
Guarantor for Johan Francisco de Raet when he became a citizen of Delft |
April 16, 1687 |
The Royal Society ordered that Letter 53 of 1687-04-04 be translated |
April 23, 1687 |
The Royal Society read part of Letter 53 of 1687-04-04 about the structure of teeth |
May 7, 1687 |
The Royal Society read the latter part of Letter 53 of 1687-04-04 about the teeth of various animals |
May 9, 1687 |
Wrote Letter 54 of 1687-05-09 (AB 99) to Members of the Royal Society about the structure of 'stone' of the medlar and the coffee bean and acid in plants |
May 14, 1687 |
The Royal Society read and discussed part of Letter 54 of 1687-05-09 about embryo plants in seeds |
June 4, 1687 |
The Royal Society read and discussed part of Letter 54 of 1687-05-09 about coffee |
June 11, 1687 |
cousin Adriaen Lambrechts Leeuwenhoek admitted as notary |
June 13, 1687 |
Wrote Letter 55 of 1687-06-13 (AB 100) to Members of the Royal Society |
June 18, 1687 |
The Royal Society read part of Letter 50 of 1686-05-14 about gall nuts |
July 11, 1687 |
Wrote Letter 56 of 1687-07-11 (AB 101) to Members of the Royal Society |
August 6, 1687 |
Wrote Letter 57 of 1687-08-06 (AB 102) to Members of the Royal Society |
September 9, 1687 |
Wrote Letter 58 of 1687-09-09 (AB 103) to Members of the Royal Society about ant eggs, larvae and its development, feeding, sting, cocoon and nest |
October 7, 1687 |
Appointed curator of the insolvent estate of Evert van der Sijde |
October 17, 1687 |
Wrote Letter 59 of 1687-10-17 (AB 104) to Members of the Royal Society |
November 24, 1687 |
nephew Johannes Adriaans Swalmius married Magdelena van Mierop |
November 26, 1687 |
The Royal Society read part of Letter 58 of 1687-09-09 about the generation of ants |
November 28, 1687 |
Wrote Letter 60 of 1687-11-28 (AB 105) to Members of the Royal Society about his discovery that cochineal was an insect and his experiments with cinchona bark |
December 3, 1687 |
The Royal Society read and discussed the latter part of Letter 58 of 1687-09-09 about the generation of ants |
December 11, 1687 |
The Royal Society ordered that Letter 60 of 1687-11-28 be translated |
January 1, 1688 |
Published Vervolg der Brieven (Continuation of the Letters), Letters 53 - 60 (2nd) |
April 2, 1688 |
printer-bookseller Hendrik van Cronevelt bought the house next door |
May 25, 1688 |
Wrote Letter 61 of 1688-05-25 (AB 106) to Members of the Royal Society |
July 6, 1688 |
Wrote Letter 62 of 1688-07-06 (AB 107) to Members of the Royal Society |
August 3, 1688 |
Wrote Letter 63 of 1688-08-03 (AB 108) to Members of the Royal Society |
August 24, 1688 |
Wrote Letter 64 of 1688-08-24 (AB 109) to Members of the Royal Society |
September 7, 1688 |
Wrote Letter 65 of 1688-09-07 (AB 110) to Members of the Royal Society |
September 23, 1688 |
Wrote letter of 1688-09-23 (AB 111) to Melchisedec Thevenot |
November 1, 1688 |
Published Den Waaragtigen Omloop des Bloeds (On the True Circulation of Blood), Letter 65 |
January 1, 1689 |
Published Tweede Vervolg der Brieven (Second Continuation of the Letters), Letters 61 - 67 |
January 1, 1689 |
Published Continuatio Epistolarum (Continuation of the Letters), Letters 53-60 |
January 12, 1689 |
Wrote Letter 66 of 1689-01-12 (AB 113) to Members of the Royal Society |
January 12, 1689 |
Wrote letter of 1689-01-12 (AB 112) to Robert Boyle |
March 6, 1689 |
Christiaan Huygens wrote to Leeuwenhoek about other places to see the circulation of blood |
April 1, 1689 |
Did not write any letters between 1689 04-01 and 1691 09-18 |
April 1, 1689 |
Wrote Letter 67 of 1689-04-01 (AB 114) to Members of the Royal Society |
April 23, 1689 |
Appointed guardian of the children of Jacob Bellart |
May 27, 1689 |
Anthonie Heinsius became Grand Pensionary of the States of Holland |
June 21, 1689 |
nephew Adriaan Johannes Swalmius baptized, witnessed by Antony and Cornelia |
October 19, 1689 |
cousin Adriaen Lambrechts Leeuwenhoek married Eva Jacobs Overschie |
March 6, 1690 |
Christiaan Huygens wrote to Leeuwenhoek about liquids in glass balls and Iceland crystal |
April 3, 1690 |
cousin Maarten Lambrechts Leeuwenhoek married Margareta Pieters van Limburg |
April 17, 1690 |
daughter Maria made a will |
September 7, 1690 |
Bought the other part of the garden outside the walls of the city |
January 1, 1691 |
Published Onsigtbare Verborgentheden (Invisible Mysteries), Letters 38, 42, 43 (2nd) |
March 2, 1691 |
Gottfried Leibniz wrote to Christiaan Huygens praising Leeuwenhoek |
September 11, 1691 |
William Stanley wrote to Leeuwenhoek that the members of the Royal Society "wish their services to be presented to me" |
September 18, 1691 |
Wrote letter of 1691-09-18 (AB 115) to Antonio Magliabechi |
November 27, 1691 |
Wrote Letter 68 of 1691-11-27 (AB 116) to Members of the Royal Society |
December 2, 1691 |
mentor Cornelis 's Gravesande died |
December 5, 1691 |
mentor Cornelis 's Gravesande buried |
December 6, 1691 |
brother-in-law Jan Jacobs de Molijn buried |
January 1, 1692 |
William Molyneaux wrote about a visit to Leeuwenhoek |
January 4, 1692 |
Wrote Letter 69 of 1692-01-04 (AB 117) to Members of the Royal Society |
January 13, 1692 |
niece Geertruijt Jans de Molijn inherited property from her father Jan Jacobs |
February 1, 1692 |
Wrote Letter 70 of 1692-02-01 (AB 118) to Members of the Royal Society |
February 1, 1692 |
Robert Hooke called Leeuwenhoek the microscope's "single votary" |
February 2, 1692 |
Richard Waller wrote to Leeuwenhoek about his recent observations and the structure of grass |
March 7, 1692 |
Wrote Letter 71 of 1692-03-07 (AB 119) to Members of the Royal Society |
March 19, 1692 |
Reimbursed for purchase of distilled water and wine |
April 22, 1692 |
Wrote Letter 72 of 1692-04-22 (AB 120) to Richard Waller |
June 24, 1692 |
Wrote Letter 73 of 1692-06-24 (AB 121) to Members of the Royal Society |
July 22, 1692 |
Christiaan Huygens began second series of observations of microbes replicating and expanding on Leeuwenhoek's |
August 12, 1692 |
Wrote Letter 74 of 1692-08-12 (AB 122) to Members of the Royal Society |
September 16, 1692 |
Wrote Letter 75 of 1692-09-16 (AB 123) to Members of the Royal Society |
September 23, 1692 |
Wrote letter of 1692-09-23 (AB 124) to Mary, Queen of Great Britain |
October 20, 1692 |
Christiaan Huygens wrote to Leeuwenhoek about spontaneous generation and praised his work and diligence |
November 29, 1692 |
cousin Sara Maertens Leeuwenhoek married Cornelis Luda |
December 21, 1692 |
cousin Jacob Adriaens Leeuwenhoek (1692-1724) baptized |
January 1, 1693 |
editor Richard Waller began publishing Leeuwenhoek again |
March 25, 1693 |
Published Derde Vervolg der Brieven (Third Continuation of the Letters), Letters 68 - 75 |
April 4, 1693 |
Received an honorarium from the city for his books of letters |
April 28, 1693 |
Richard Waller wrote to Leeuwenhoek about colors of feathers and univocal generation |
May 23, 1693 |
De la Croze called Leeuwenhoek a "curious Observer of Nature" |
July 1, 1693 |
Wrote letter of 1693-07-01 (AB 125) to Richard Waller |
August 18, 1693 |
Pieter Rabus wrote to Leeuwenhoek praising his accomplishments and including a laudatory poem |
August 24, 1693 |
George Garden wrote to Leeuwenhoek about the role of egg and ovaries in reproduction |
September 18, 1693 |
Paul Durven appointed curator |
September 26, 1693 |
cousin Sara Maertens Leeuwenhoek buried |
September 30, 1693 |
Edmund King replicates Leeuwenhoek's observations of microbes |
October 15, 1693 |
Wrote Letter 76 of 1693-10-15 (AB 126) to Members of the Royal Society |
October 27, 1693 |
Wrote letter of 1693-10-27 (AB 127) to Pieter Rabus |
November 19, 1693 |
nephew Johannes Adriaans Swalmius buried |
November 21, 1693 |
Appointed guardian of his dying wife Cornelia Swalmius |
November 30, 1693 |
Hans Sloane was elected Secretary of the Royal Society and editor of Philosophical Transactions. He published 68 articles by Leeuwenhoek over the next twenty years. |
December 5, 1693 |
Rented St. Agnieten Tooren from the city for 12 years |
December 7, 1693 |
wife Cornelia Swalmius made a will |
December 8, 1693 |
Wrote letter of 1693-12-08 (AB 128) to Richard Waller |
December 20, 1693 |
Wrote Letter 77 of 1693-12-20 (AB 129) to Members of the Royal Society |
December 26, 1693 |
wife Cornelia Swalmius made a will including Maria |
December 29, 1693 |
Sold the garden outside the walls of the city |
December 31, 1693 |
Promised to pay five gulden for the ransom of a neighbor's son from Algerian pirates |
January 1, 1694 |
Published Onsigbare Geschapene Waarheden (Invisible Creation Truths), Letters 32, 39, 33 |
January 1, 1694 |
Published Vierde Vervolg der Brieven (Fourth Continuation of the Letters), Letters 76 - 83 |
January 6, 1694 |
wife Cornelia Johannes Swalmius buried |
January 19, 1694 |
Wrote letter of 1694-01-19 (AB 130) to Richard Waller |
January 24, 1694 |
Wrote Letter 78 of 1694-01-24 (AB 131) to Members of the Royal Society |
January 31, 1694 |
Richard Waller wrote to Leeuwenhoek about colors and sperm inside of eggs |
February 12, 1694 |
Wrote letter of 1694-02-12 (AB 132) to Richard Waller |
February 12, 1694 |
Presented act of guardianship to the Weeskamer after Cornelia's death |
February 24, 1694 |
Wrote Letter 79 of 1694-02-24 (AB 133) to Members of the Royal Society |
February 28, 1694 |
Benedictus Haan wrote to Leeuwenhoek agreeing with him against George Garden about the female ovary |
March 2, 1694 |
Wrote Letter 80 of 1694-03-02 (AB 134) to Members of the Royal Society |
March 2, 1694 |
Presented Cornelia's will to the Weeskamer |
March 19, 1694 |
Wrote Letter 81 of 1694-03-19 (AB 135) to Members of the Royal Society |
April 2, 1694 |
Wrote Letter 82 of 1694-04-02 (AB 136) to Members of the Royal Society |
April 30, 1694 |
Wrote Letter 83 of 1694-04-30 (AB 137) to Members of the Royal Society |
May 11, 1694 |
Received an honorarium from the city for the Fourth Continuation of the Letters |
May 26, 1694 |
Wrote letter of 1694-05-26 (AB 138) to Richard Waller |
June 4, 1694 |
Visited Pieter Rabus in Rotterdam |
July 30, 1694 |
Arnold Ramp appointed tax collector for livestock sales |
September 14, 1694 |
Wrote Letter 84 of 1694-09-14 (AB 139) to Richard Waller |
November 3, 1694 |
Lent 400 guilders to Leendert van Bijstervelt |
November 24, 1694 |
cousin Maerten Huijchs Leeuwenhoek buried |
November 29, 1694 |
microscopist Marcello Malpighi died |
November 30, 1694 |
Wrote Letter 85 of 1694-11-30 (AB 140) to Pieter Rabus |