June 14, 1680 |
Wrote Letter L-107 of 1680-06-14 to Robert Hooke, a short cover letter |
June 14, 1680 |
Wrote Letter L-108 of 1680-06-14 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 at a meeting of the Royal Society |
June 27, 1680 |
The Royal Society read Letter 108 of 1680-06-14 about beer, yeast, a little animals in hermetically sealed tubes |
August 9, 1680 |
Wrote Letter L-109 of 1680-08-09 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 L-110 of 1680-09-28 to Thomas Gale to inquire whether Letter 107 of 1680-06-14 had arrived |
November 12, 1680 |
Wrote Letter L-111 of 1680-11-12 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 L-111 of 1680-11-12 |
December 5, 1680 |
Francis Aston promised the Royal Society to translate Letter L-111 of 1680-11-12 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 L-111 of 1680-11-12 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 |
July 4, 1681 |
Robert Hooke wrote Letter L-112 of 4 July 1681 to thank Leeuwenhoek for previous letters and to promise to respond more promptly in the future |
July 17, 1681 |
David Gregory wrote Letter L-113 to Leeuwenhoek as cover letter for Letter L-112 from Hooke |
August 9, 1681 |
nephew Anthonij Jans de Molijn married Magdalena van Poelgeest |
November 4, 1681 |
Wrote Letter L-114 of 1681-11-04 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 Letter L-114 of 1681-11-04 from Leeuwenhoek |
November 19, 1681 |
Robert Hooke read Letter L-114 of 1681-11-04 |
November 26, 1681 |
Members of the Royal Society discussed Leeuwenhoek's observations of hair |
December 1, 1681 |
Robert Hooke wrote Letter L-115 of some time in December 1681 to Leeuwenhoek about his previous letters |
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 L-111 of 1680-11-12 to Robert Hooke |
January 1, 1682 |
Visited by Cornelis Bontekoe |
January 10, 1682 |
Philosophical Collections number 4 published in London, including Leeuwenhoek's Letter L-114 of 1681-11-04 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 L-116 of 1682-03-03 to Robert Hooke |
March 3, 1682 |
Wrote Letter L-116 of 1682-03-03 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 L-116 of 1682-03-03 about striated muscle fibres of mammals and fishes |
March 18, 1682 |
Robert Hooke read part of Letter L-116 of 1682-03-03 about muscle fibers |
March 20, 1682 |
Robert Hooke wrote Letter L-117 to Leeuwenhoek that his observations were well received by the Royal Society |
March 26, 1682 |
Robert Hooke wrote Letter L-118 to Leeuwenhoek that his observations of shellfish muscles were well received by the Royal Society and concurred with his own |
April 1, 1682 |
Philosophical Collections number 7 published in London, including Leeuwenhoek's Letter L-119 of 1682-04-04 |
April 4, 1682 |
Wrote Letter L-119 of 1682-04-04 to Robert Hooke about the structure of the muscle tissue of lobsters and shrimps. |
April 15, 1682 |
Robert Hooke read his Letter L-117 of 1682-03-20 and Leeuwenhoek's reply, Letter L-119 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 L-120 of 1682-07-28 to Robert Hooke, now lost, asking whether figures of the anatomy of wood in Letter L-097 of 12 January 1680 will be published in print |
November 19, 1682 |
Sold two bonds from the property of Willem Bolnes to help pay Catherina Bolnes' creditors |
January 1, 1683 |
Visited by Marie-Anne Mancini, Duchess of Bouillon and others |
January 1, 1683 |
Wrote Letter L-121 of some time in 1683 to an unknown "Sir" |
January 22, 1683 |
Wrote Letter L-122 of 1683-01-22 to Christopher Wren about the function of the ovary, muscles of insects, drinking tea and mild beer, erythrocytes, and a theory on the formation of blood |
February 8, 1683 |
Received assistant wine gauger for emergencies |
February 17, 1683 |
The Royal Society read Letter L-122 of 1683-01-22 to Christopher Wren |
February 26, 1683 |
Francis Aston wrote Letter L-123 of 26 February 1683 about problems translating his letters and opposition to his views |
March 9, 1683 |
Wrote Letter L-124 of 1683-03-09 to Francis Aston promising to send observations about generation and colors |
March 27, 1683 |
Francis Aston wrote Letter L-125 to Leeuwenhoek about new Royal Society officers |
May 20, 1683 |
Wrote Letter L-126 of 1683-05-20 to Anthonie Heinsius about generation and about the circulation of the blood, which he intends to communicate in a letter to the Royal Society |
June 7, 1683 |
Anthoinie Heinsius wrote Letter L-127 to Leeuwenhoek about his observations concerning generation and blood circulation |
July 16, 1683 |
Wrote Letter L-128 of 1683-07-16 to Christopher Wren about the procreation of frogs, sperm in fowl's egg, reproduction of rabbits, little animals in frog intestines, a theory about digestion in humans and fish, and blood |
July 22, 1683 |
Wrote Letter L-129 of 1683-07-22 to Anthonie Heinsius about Heinsius's reactions to an earlier letter |
July 28, 1683 |
The Royal Society read Letter L-128 of 1683-07-16 about reproduction, little animals, digestion, and blood |
August 4, 1683 |
The Royal Society discussed Letter L-128 of 1683-07-16 about the male seed in egg yolks |
August 27, 1683 |
Francis Aston wrote Letter L-130 to Leeuwenhoek, thanking him for his recent letter and agreeing to admit two Dutch noblemen to a meeting of the Royal Society |
September 1, 1683 |
Two Dutch noblemen wrote Letter L-131 some time in early September 1683 to Leeuwenhoek about the fear that kept them from attending a meeting of the Royal Society |
September 2, 1683 |
Wrote Letter L-132 of 1683-09-02 to Anthonie Heinsius, requesting his opinion of observations in Letter L-128 |
September 10, 1683 |
Anthonie Heinsius wrote Letter L-133 to Leeuwenhoek about recent observations of generation |
September 16, 1683 |
Wrote Letter L-134 of 1683-09-16 to Anthonie Heinsius about whether Heinsius would like a copy of his speculations on the living organisms in mouths and on the structure of the skin |
September 17, 1683 |
Wrote Letter L-135 of 1683-09-17 to Francis Aston about saliva, nasal hairs and blackheads, skin, pores, calluses, and cleaning teeth; the discovery of bacteria in tartar |
September 30, 1683 |
Wrote Letter L-136 of 1683-09-30 to Anthonie Heinsius, a note accompanying a copy of Letter L-135 |
October 1, 1683 |
Melchisédech Thévenot wrote Letter L-138 of October 1683 to Leeuwenhoek, a courteous reply |
October 1, 1683 |
Wrote Letter L-137 of October 1683 to Melchisedec Thévenot with some observations |
October 8, 1683 |
Anthonie Heinsius wrote Letter L-139 of 8 October 1683 to Leeuwenhoek that his work was making a positive impression in Paris and that some of his letters would be published in the new Journal de Médecine |
October 11, 1683 |
Francis Aston wrote Letter L-140 to Leeuwenhoek about the translation of a Dutch phrase concerning egg yolks |
October 14, 1683 |
Wrote Letter L-141 of 1683-10-14 to Anthonie Heinsius in reply to his recent Letter L-139 |
October 18, 1683 |
Anthonie Heinsius wrote Letter L-142 of in response to Letter L-141 |
October 26, 1683 |
Wrote Letter L-143 of 1683-10-26 to Francis Aston in reply to Letter L-140 about egg yolks |
November 3, 1683 |
The Royal Society read and discussed Letter L-135 |
November 10, 1683 |
The Royal Society discussed Leeuwenhoek's observations about pores in the skin in Letter L-135 |
December 28, 1683 |
Wrote Letter L-144 of 1683-12-28 to Francis Aston about human skin and its diseases, the intestines, the effects of vinegar, the intestinal wall and peristalsis, and an experiment to demonstrate the adsorption of food nutrients in the intestines. |
January 1, 1684 |
Daniel Gaesbeeck wrote Letter L-145 of 1684-01-01 to Leeuwenhoek about why he was publishing his letters |
January 1, 1684 |
Published Eyerstok (Ovary), Letters 37, 39 (L-122, L-135) |
January 1, 1684 |
Published Humor Cristallinus (Crystalline Humor), Letter 41 (L-147) |
January 1, 1684 |
Published Onsigtbare Geschapene Waarheden (Invisible Creation Truths), Letters 32, 33, 39 (L-108, L-111, L-135) |
January 1, 1684 |
Published Schobbens in de Mond (Scales in the Mouth), Letter 40 (L-144) |
January 6, 1684 |
Authorized as curator to inspect estate of Willemtie Pieters Touw by her heir |
February 23, 1684 |
The Royal Society read Letter L-144 of 1683-12-28 to Francis Aston |
March 7, 1684 |
Francis Aston wrote Letter L-146 to Leeuwenhoek about the importance of his work |
April 2, 1684 |
cousin Margrieta Maertens Leeuwenhoek married Michiel Reijniers van Hasseld |
April 14, 1684 |
Wrote Letter L-147 of 1684-04-14 to Francis Aston about lenses and corneas, the function of eye-lids, the involuntariness of blinking, the optic nerve, and the skin of Moors |
May 24, 1684 |
The Royal Society read the first part of Letter L-147 about the crystalline humour of the eye |
May 26, 1684 |
William Molyneux demonstrated blood flow in a newt to the Dublin Philosophical Society |
May 31, 1684 |
The Royal Society discussed Leeuwenhoek's observations in Letter L-147 about the crystalline humour of the eye |
June 7, 1684 |
Francis Aston wrote Letter L-148 to Leeuwenhoek to thank him for his letter with observations of the lens of the eye, which was read to the Royal Society and was well-received by them |
June 14, 1684 |
The Royal Society read the latter part of Letter L-147 about the crystalline humour of bird and fish eyes, the vitreous humour, the cornea tunica, and the colour of a Blackamore |
June 15, 1684 |
Visited Christiaan Huygens in Den Haag with the Durven brothers |
July 24, 1684 |
Daniel van Gaesbeeck wrote Letter L-149 about why he was publishing more of Leeuwenhoek's “mutilated”, “mistranslated”, and “misunderstood” letters |
July 25, 1684 |
Wrote Letter L-150 of 1684-07-25 to Members of the Royal Society about parts of the brain of several animals, chalk stones of gout, leprosy, and the scales of eels |
July 27, 1684 |
Christiaan Huygens gossiped about Maria Duyst in a letter to his brother Constantijn Huygens |
September 15, 1684 |
Francis Aston wrote Letter L-151 to Leeuwenhoek that Letter L-150 had not been read by the Royal Society |
December 13, 1684 |
sister Catharina Philips Leeuwenhoek received legacy from great uncle Johan Sebastiaans van den Berch |
December 13, 1684 |
The Royal Society read the first part of Letter L-150 about the brain of several animals, chalk stones of gout, leprosy, and scales of eels |
December 20, 1684 |
cousin Geertruijt Huijchs Leeuwenhoek buried |
January 1, 1685 |
cousin Maerten Huijchs Leeuwenhoek appointed tax farmer |
January 1, 1685 |
Published Anatomia et Contemplatio (Anatomy and Contemplation), Letters 43, 42, 38 (L-128, L-150, L-152) |
January 1, 1685 |
Published Onsigtbare Verborgentheden (Invisible Mysteries), Letters 38, 42, 43 (L-152, L-150, L-128) |
January 1, 1685 |
Published Sout-figuren (Salt figures), Letters 44, 45 (L-154, L-157) |
January 1, 1685 |
Published Zaden van Boomen (Seeds of Trees), Letters 46, 47 (L-160, L-166) |
January 5, 1685 |
Wrote Letter L-152 of 1685-01-05 to Members of the Royal Society about salts in wine and vinegar and in the stomach, the eye, the need for food and water, Descartes's theory on smallest water particles, and a theory of taste - salt, sour and sweet |
January 17, 1685 |
The Royal Society read the latter part of Letter L-150 about the brain of an ox and a sparrow, moxa, chalk from gout, leprosy, and eels, in which he discovered both scales and fins |
January 20, 1685 |
Francis Aston wrote Letter L-153 to inform Leeuwenhoek that his recent letter about wine was favorably received at the Royal Society |
January 23, 1685 |
Wrote Letter L-154 of 1685-01-23 to Members of the Royal Society about salts and their crystals and his theory about the causes of taste |
January 31, 1685 |
The Royal Society read the former part of Letter L-152 about salts in vinegar and wine, vinegar eels, and salts found in vinegar mixed with crabs eyes and chalk |
February 5, 1685 |
Visited by Thomas Molyneux on behalf of the Royal Society |
February 7, 1685 |
The Royal Society read and discussed the latter part of Letter L-152 salt in various wines, mixtures of tartar, crabs eyes, or chalk with wine, and the difference between salts in wines and salts in chalk stones of gout |
February 13, 1685 |
Thomas Molyneaux wrote Letter L-155 of 1685-02-13 to Francis Aston about his visit to Leeuwenhoek's house |
February 19, 1685 |
Francis Aston wrote Letter L-156 to inform Leeuwenhoek that his Letter L-154 about salts was received but had not been read to the Society |
February 23, 1685 |
At age 52, his 25th article in Philosophical Transactions |
March 30, 1685 |
Wrote Letter L-157 of 1685-03-30 to Members of the Royal Society about sperm, the uterus of a bitch, sheep embryos, ovaries in young animals and apples, and his claims that sperm are the life-carriers and that there are male and female sperm |
April 4, 1685 |
The Royal Society read the former part of Letter L-154 about salts in wormwood, alum, and other substances |
April 20, 1685 |
At age 52, his 25th letter in Philosophical Transactions |
May 9, 1685 |
The Royal Society read part of Letter L-154 about oil of tartar, potash, and camphor |
May 16, 1685 |
The Royal Society read the latter part of Letter L-154 about salts in ashes, lime, soda, and sal armoniac |
May 28, 1685 |
The Dublin Philosophical Society asked the Royal Society for a copy of Letter L-154 about salts of wine and vinegar |
May 31, 1685 |
Maria Duyst van Voorhout married Frederik Adriaan van Reede van Renswoude |
June 20, 1685 |
The Royal Society read part of Letter L-157 about the role of eggs and male sperm in a female dog |
June 22, 1685 |
Visited by John Locke |
June 27, 1685 |
Francis Aston wrote Letter L-158 of 1685-06-27 to pass along the recommendation by John Hoskyns that Leeuwenhoek examine silkworm eggs |
June 27, 1685 |
The Royal Society read the latter part of Letter L-157 about sperm and eggs in sheep and rabbits |
July 2, 1685 |
sister Catharina Leeuwenhoek appointed as tax collector for three years |
July 11, 1685 |
cousin Adriaen Lambrechts Leeuwenhoek appointed curator |
July 13, 1685 |
Wrote Letter L-159 of 1685-07-13 to members of the Royal Society about reproduction of trees, transfer of nutrients, male and female trees, hazelnut, comparing reproduction of mammals with reproduction of plants, cross-breeding, and germination |
July 22, 1685 |
Royal Society published Letter L-154, titled, “An abstract of a letter from Mr. Leewenheock, to the R. S. Dated Jan. 23rd, 1685; concerning the various figures of the salts contained in several substances” |
August 3, 1685 |
Anthonie Heinsius wrote Letter L-160 to Leeuwenhoek about Robert Boyle's reaction to the letter about cochineal |
August 9, 1685 |
Francis Aston wrote Letter L-161 of some time between August and October 1685 to inform Leeuwenhoek that Letter L-159 had been received but not yet read |
August 10, 1685 |
Wrote Letter L-162 of 1685-08-10 to Anthonie Heinsius about cochineal |
August 27, 1685 |
editor Edmond Halley did not publish any letters by Leeuwenhoek in Philosophical Transactions from 1685 to 1693 |
August 31, 1685 |
Anthonie Heinsius wrote Letter L-163 of 1685-08-31 about Boyle's idea about the origin of cochineal |
September 21, 1685 |
Wrote Letter L-164 of 1685-09-21 to Anthonie Heinsius about cochineal |
October 1, 1685 |
Visited by Karl von Hessen-Kassel and Willem Meester sometime in October |
October 2, 1685 |
Karel von Hessen-Kassel wrote Letter L-165 to thank Leeuwenhoek for the visit to his house |
October 12, 1685 |
Wrote Letter L-166 of 1685-10-12 to members of the Royal Society about the beginning of plants in seeds; chyle, sweat, about skin, optic nerve, and bile of fish; salts in beer vinegar and lemon juice; and spirits mixed with blood and wine vinegar |
November 5, 1685 |
Constantijn Huygens Jr. wrote to his brother Christiaan about Leeuwenhoek's character and the visit by Hessen-Kassel and Meester |
November 14, 1685 |
The Royal Society read and discussed Letter L-159 about reproduction of trees, comparison of reproduction of mammals with the reproduction of plants, and cross-breeding |
December 1, 1685 |
Visited by De Saingermain, who later called Leeuwenhoek a "Magus" |
December 17, 1685 |
Constantijn Huygens wrote Letter L-167 to Leeuwenhoek about root trees |
December 19, 1685 |
Francis Aston and Tancred Robinson abruptly resigned as the secretaries of the Royal Society, just a week after they had been reelected |
December 25, 1685 |
cousin Elisabeth Maertens Leeuwenhoek married Dirck van Schie |