January 1, 1678 |
Nehemiah Grew and Robert Hooke wrote to Leeuwenhoek asking him to further observe sperm |
January 1, 1678 |
Robert Hooke's Lectures and Collections: Cometa, Microscopium published |
January 14, 1678 |
Wrote Letter 23 of 1678-01-14 (AB 37) to Robert Hooke about human blood, blood transfusions, flea larvae, and little animals in pepper water |
January 27, 1678 |
Robert Hooke read Letter 23 of 1678-01-14 |
February 1, 1678 |
Empowered a Gouda notary to sell Vermeer's property to help pay Catherine Bolnes's creditors |
February 1, 1678 |
Robert Hooke wrote to Leeuwenhoek verifying his observations in pepper water |
February 3, 1678 |
Robert Hooke produced two experiments on blood and milk and read the latter part of the letter of 1678-01-14 about phlegm and little animals in pepper water |
February 11, 1678 |
Robert Hooke wrote to Leeuwenhoek about how he verified Leeuwenhoek’s observations of little animals in a pepper infusion |
February 28, 1678 |
Christiaan Huygens began series of observations of microbes replicating and expanding on Leeuwenhoek's |
March 17, 1678 |
Robert Hooke showed the Royal Society microscopical observations of tendons and little animals in anise and coffee |
March 18, 1678 |
Wrote Letter 24 of 1678-03-18 (AB 38) to Nehemiah Grew |
March 24, 1678 |
Robert Hooke read his paper about his microscopic observations and methods |
April 7, 1678 |
Robert Hooke showed the Royal Society microscopical observations of muscle from a lobster's claw |
April 28, 1678 |
Jan Swammerdam called Leeuwenhoek "biased, and reasons in a very barbarical way" |
April 28, 1678 |
Robert Hooke wrote to Leeuwenhoek that King Charles saw the little animals in pepper water |
May 5, 1678 |
Robert Hooke showed the Royal Society microscopical observations of the motion and composition of muscles |
May 9, 1678 |
niece Maria Jans de Molijn buried |
May 31, 1678 |
Wrote Letter 25 of 1678-05-31 (AB 39) to Nehemiah Grew |
June 6, 1678 |
Christiaan Huygens wrote to Nehemiah Grew about seeing the sperm in human semen |
July 4, 1678 |
Lambert Twent named first postmaster of Delft |
September 27, 1678 |
Wrote Letter 26 of 1678-09-27 (AB 40) to Nehemiah Grew |
October 14, 1678 |
sister Margrieta Philips Leeuwenhoek buried |
October 31, 1678 |
Christiaan Huygens's method of melting powdered glass to make a spherical lens |
November 6, 1678 |
daughter Maria registered as a member of the Hervormde Gemeente Delft (Reformed Church in Delft) |
December 26, 1678 |
Wrote letter of 1678-12-26 (AB 41) to Constantijn Huygens |
January 25, 1679 |
Authorized to administer the estate of Ernst Gerrits de Bruijn |
February 10, 1679 |
Appointed curator; Johannes Blaucamer guarantor |
February 21, 1679 |
Wrote Letter 27 of 1679-02-21 (AB 42) to Nehemiah Grew about cod sperm and about not finding any little animals in blood or saliva |
April 1, 1679 |
cousin Maerten Huijchs Leeuwenhoek appointed tax master |
April 12, 1679 |
Lambert van Velthuysen wrote to Leeuwenhoek about some of his observations |
April 25, 1679 |
Wrote Letter 28 of 1679-04-25 (AB 43) to Nehemiah Grew about living little animals in fish, hare, and dogs and his calculation that more than ten times as many living animals come from the milt of a cod as there are people living on the Earth |
April 27, 1679 |
Wrote letter of 1679-04-27 (AB 44) to Constantijn Huygens |
May 1, 1679 |
Visited by James, Duke of York, and "several high personages" |
May 4, 1679 |
mentor Constantijn Huygens called Leeuwenhoek the "magician of Delft" |
May 11, 1679 |
Wrote letter of 1679-05-11 (AB 45) to Lambert van Velthuysen |
May 15, 1679 |
Wrote letter of 1679-05-15 (AB 46) to Christiaan Huygens |
May 20, 1679 |
Wrote letter of 1679-05-20 (AB 47) to Constantijn Huygens |
June 13, 1679 |
Wrote letter of 1679-06-13 (AB 48) to Nehemiah Grew |
June 13, 1679 |
Wrote letter of 1679-06-13 (AB 49) to Lambert van Velthuysen |
July 11, 1679 |
Wrote letter of 1679-07-11 (AB 50) to Lambert van Velthuysen |
July 20, 1679 |
Robert Hooke read his translation of Letter 28 of 1679-04-25 to Nehemiah Grew |
July 27, 1679 |
Robert Hooke showed the Royal Society microscopical observations of the liquor in a ram's testicles |
August 10, 1679 |
Robert Hooke showed the Royal Society microscopical observations of a cock's testicles |
August 15, 1679 |
Appointed city inspector of imported and exported liquids / wine gauger |
August 25, 1679 |
Called "an unlearned, but ingenious man" by Peter Pels |
September 4, 1679 |
colleague Nicolaas van der Sloot appointed co-wine gauger |
September 17, 1679 |
Paid tax on his personal stock of wine |
October 13, 1679 |
Wrote letter of 1679-10-13 (AB 51) to Robert Hooke |
October 30, 1679 |
cousin Pieter Abrahams Hogenhouck buried |
November 1, 1679 |
Philosophical Collections number 1 published in London, including Leeuwenhoek's Letter 28 of 1679-04-25 (AB 43) to Nehemiah Grew |
November 14, 1679 |
Wrote letter of 1679-11-14 (AB 52) to Lambert van Velthuysen about gout, salt, and drinking tea |
November 20, 1679 |
Wrote letter of 1679-11-20 (AB 53) to Robert Hooke, copying his letter of 14 November 1679 to Velthuysen about gout, salt, and drinking tea |
January 12, 1680 |
Wrote Letter 29 of 1680-01-12 (AB 54) to Robert Hooke about the structure of wood and sperm in fish |
January 16, 1680 |
Wrote letter of 1680-01-16 (AB 55) to Robert Hooke, enclosing a copy of the letter of 1679-05-20 to Constantijn Huygens about the number and size of little animals |
January 25, 1680 |
Robert Hooke read part of Letter 29 of 1680-01-12 about the structure of wood |
February 1, 1680 |
Robert Hooke read copy of letter to Huygens of 1679-05-20 about the number and size of little animals in ginger water |
February 2, 1680 |
Robert Hooke inquired whether Leeuwenhoek would accept election to the Royal Society |
February 7, 1680 |
microscopist Jan Swammerdam died |
February 8, 1680 |
Elected a member by the Royal Society |
February 13, 1680 |
Wrote letter of 1680-02-13 (AB 56) to Robert Hooke that being elected a member of the Royal Society would be an honour |
February 18, 1680 |
cousin Margaretha (Grietjen) Huijchs Leeuwenhoek married Gijsbert Pieterse Cruijt |
February 22, 1680 |
Thomas Gale authorized by the Royal Society to send diploma with seal to Leeuwenhoek |
February 29, 1680 |
The Royal Society ordered that its coat of arms be engraved on the silver box holding Leeuwenhoek's diploma |
March 4, 1680 |
The Royal Society discussed a silver box for Leeuwenhoek's diploma |
March 7, 1680 |
The Royal Society further discussed Leeuwenhoek's diploma |
March 8, 1680 |
Thomas Gale sent Leeuwenhoek official notice of his election as member of the Royal Society |
March 21, 1680 |
Royal Society postponed reading copy of letter of 1679-05-20 to Huygens |
March 28, 1680 |
Royal Society again postponed reading copy of letter of 1679-05-20 to Huygens |
April 5, 1680 |
Wrote Letter 30 of 1680-04-05 (AB 57) to Robert Hooke about the testicles and sperm of a rat and organisms in the gills of oysters and in the sap of vines |
April 11, 1680 |
Robert Hooke read Letter 30 of 1680-04-05 about rat sperm and organisms in gills of oysters and sap of vines |
April 22, 1680 |
Robert Hooke sent Leeuwenhoek official notice of his election as member of the Royal Society |
May 13, 1680 |
Wrote letter of 1680-05-13 (AB 59) to Robert Hooke to gratefully accept his election as a foreign member of the Royal Society and to acknowledge the receipt of his diploma |
May 13, 1680 |
Wrote Letter 31 of 1680-05-13 (AB 60) to Thomas Gale about little animals in sap and whether little animals are in the air |
May 13, 1680 |
Wrote letter of 1680-05-13 (AB 58) to Members of the Royal Society expressing his surprise and gratitude at being elected a member |
May 23, 1680 |
Robert Hooke read the letters of 1680-05-13 thanking the Royal Society |
June 14, 1680 |
Wrote letter of 1680-06-14 (AB 61) to Robert Hooke, a short cover letter |
June 14, 1680 |
Wrote Letter 32 of 1680-06-14 (AB 62) to Thomas Gale about beer, yeast, crab's eyes in vinegar, and little animals reproducing in hermetically-sealed tubes |
June 20, 1680 |
Robert Hooke produced the two letters of 1680-06-14 from Leeuwenhoek |
June 27, 1680 |
The Royal Society read Letter 32 of 1680-06-14 to Thomas Gale about beer, yeast, a little animals in hermetically sealed tubes |
August 9, 1680 |
Wrote letter of 1680-08-09 (AB 63) to Robert Hooke to ask whether the Royal Society received previous letters and to promise further investigations into the formation of blood |
August 13, 1680 |
Constantijn Huygens, jr., called Leeuwenhoek "the great man of the century" |
September 28, 1680 |
Wrote letter of 1680-09-28 (AB 64) to Thomas Gale to inquire whether his letter of 1680-06-14 to Hooke had arrived |
November 12, 1680 |
Wrote Letter 33 of 1680-11-12 (AB 65) to Robert Hooke about blood globules, lees of wine, globules in rain water, milk vessels, reproduction, little animals in the male seed of animals, and their incomprehensible smallness |
November 21, 1680 |
Robert Hooke read the headings of Letter 33 of 1680-11-12 (AB 65) |
December 5, 1680 |
Francis Aston promised the Royal Society to translate Letter 32 of 1680-11-12 (AB 65) to Hooke into English |
January 1, 1681 |
Sat for Cornelis de Man's Anatomy Lesson of Dr. 's Gravezande |
January 8, 1681 |
Appointed curator of the abandoned estate of Willemtie Pieters Touw |
January 22, 1681 |
The Royal Society read Francis Aston's translation of Letter 32 of 1680-11-12 (AB 65) to Hooke about the lees of ale and wine |
April 29, 1681 |
cousin Jannitgen Huijchs Leeuwenhoek buried |
June 8, 1681 |
cousin Maria Maertens Leeuwenhoek married Jan den Appel |
June 17, 1681 |
co-worker Daniel Bogaert buried |
August 9, 1681 |
nephew Anthonij Jans de Molijn married Magdalena van Poelgeest |
November 4, 1681 |
Wrote Letter 34 of 1681-11-04 (AB 66) to Robert Hooke about hog bristles, shedding hair, blackheads; living little animals in excrement, horse urine, clay, and gout |
November 12, 1681 |
Robert Hooke produced the letter of 1681-11-04 from Leeuwenhoek |
November 19, 1681 |
Robert Hooke read Letter 34 of 1681-11-04 |
November 26, 1681 |
Members of the Royal Society discussed Leeuwenhoek's observations of hair |
December 3, 1681 |
Members of the Royal Society discussed Leeuwenhoek's microscopes |
December 10, 1681 |
Philosophical Collections number 3 published in London, including Leeuwenhoek's Letter 33 of 1680-11-12 (AB 65) to Robert Hooke |
January 1, 1682 |
Visited by Cornelis Bontekoe |
January 10, 1682 |
Philosophical Collections number 4 published in London, including Leeuwenhoek's Letter 34 of 1681-11-04 (AB 66) to Robert Hooke |
January 28, 1682 |
Received fees from new citizens in the name of the city's camerbewaarders and messengers |
February 1, 1682 |
Philosophical Collections number 5 published in London, including Leeuwenhoek's Letter 35 of 1682-03-03 (AB 67) to Robert Hooke |
March 3, 1682 |
Wrote Letter 35 of 1682-03-03 (AB 67) to Robert Hooke about muscle fibres, hair, the cell nucleus in the erythrocytes of fishes, the liver of salmons, beards of oysters, and the structure and growth of oyster shell |
March 11, 1682 |
Robert Hooke read the first part of Letter 35 of 1682-03-03 to himself about striated muscle fibres of mammals and fishes |
March 16, 1682 |
Robert Hooke wrote to Leeuwenhoek that his observations of shellfish muscles were well received by the Royal Society and concurred with his own |
March 18, 1682 |
Robert Hooke read part of Letter 35 of 1682-03-03 to himself about muscle fibers |
March 20, 1682 |
Robert Hooke wrote to Leeuwenhoek that his observations were well received by the Royal Society |
April 1, 1682 |
Philosophical Collections number 7 published in London, including Leeuwenhoek's Letter 36 of 1682-04-04 (AB 68) to Robert Hooke |
April 4, 1682 |
Wrote Letter 36 of 1682-04-04 (AB 68) to Robert Hooke |
April 15, 1682 |
Robert Hooke read his letter of 1682-03-10 and Leeuwenhoek's reply of 1682-04-04 about muscles of crabs, lobsters, and shrimp |
April 22, 1682 |
Robert Hooke showed the Royal Society part of a flesh muscle in a microscope, but the rimples mentioned by Leeuwenhoek could not be seen |
July 28, 1682 |
Wrote letter of 1682-07-28 (AB 69) to Robert Hooke |
November 19, 1682 |
Sold two bonds from the property of Willem Bolnes to help pay Catherina Bolnes' creditors |