January 1, 1665 |
Robert Hooke's Micrographia published |
May 7, 1673 |
The Royal Society received Leeuwenhoek's first letter |
May 19, 1673 |
At age 40, first letter published in Philosophical Transactions |
October 25, 1674 |
The Royal Society began requiring an oath of secrecy from the members who attended meetings |
November 12, 1674 |
The Royal Society read and discussed Leeuwenhoek's letter of June 1, 1674 |
February 11, 1677 |
The Royal Society read the first part of Leeuwenhoek's long letter of the previous October 9 |
February 18, 1677 |
The Royal Society read the second part of Leeuwenhoek's long letter of October 9, 1676 |
March 8, 1677 |
The Royal Society read the third part of Leeuwenhoek's long letter of October 9, 1676. |
March 25, 1677 |
The Royal Society published Leeuwenhoek's letter of October 9, 1676, reporting microbes in infusions |
April 8, 1677 |
The Royal Society read Leeuwenhoek's letter of March 23, 1677 |
May 18, 1677 |
Benedict Haan and Henry Cordes wrote to the Royal Society attesting to microbes in Leeuwenhoek's infusions |
May 27, 1677 |
The Royal Society read Leeuwenhoek's letter of May 14, 1677 |
June 2, 1677 |
Robbert Gordon wrote to the Royal Society attesting to microbes in Leeuwenhoek's infusions |
August 13, 1677 |
Aldert Hodenpijl wrote to the Royal Society attesting to microbes in Leeuwenhoek's infusions |
August 21, 1677 |
Johannes Boogert, Robert Poitevin, and W. van der Burch wrote to the Royal Society attesting to microbes in Leeuwenhoek's infusions |
August 30, 1677 |
Alex Petrie wrote to the Royal Society attesting to microbes in Leeuwenhoek's infusions |
September 5, 1677 |
mentor Henry Oldenburg died in London |
October 15, 1677 |
The Royal Society requested that Robert Hooke try to replicate Leeuwenhoek's observations |
November 11, 1677 |
Robert Hooke failed to demonstrate "minute animals" in pump water. The Royal Society read the testimonials from people in Delft. |
November 18, 1677 |
Robert Hooke again failed, using an improved microscope |
November 25, 1677 |
Robert Hooke finally succeeded in replicating Leeuwenhoek's observations of little animals |
January 27, 1678 |
Robert Hooke read Letter 23 of 1678-01-14 |
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 |
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 |
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 8, 1680 |
Elected a member by the Royal Society |
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 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 |
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 18, 1682 |
Robert Hooke read part of Letter 35 of 1682-03-03 to himself about muscle fibers |
July 28, 1683 |
The Royal Society read Letter 38 of 1683-07-16 (AB 72) to Christopher Wren |
August 4, 1683 |
The Royal Society discussed Letter 38 of 1683-07-16 (AB 72) to Christopher Wren about the male seed in egg yolks |
May 24, 1684 |
The Royal Society read first part of Letter 41 of 1684-04-14 to Francis Aston the crystalline humour of the eye |
May 31, 1684 |
The Royal Society discussed Leeuwenhoek's observations about the crystalline humour of the eye |
December 13, 1684 |
The Royal Society read the first part of Letter 42 of 1684-07-25 to Members of the Royal Society |
January 31, 1685 |
The Royal Society read the former part of Letter 43 of 1685-01-05 about salts in vinegar and wine |
February 7, 1685 |
The Royal Society read and discussed the latter part of Letter 43 of 1685-01-05 |
February 13, 1685 |
Visited by Thomas Molyneux on behalf of the Royal Society |
April 4, 1685 |
The Royal Society read the former part of Letter 44 of 1685-01-23 about salts in wormwood, alum, and other substances |
May 9, 1685 |
The Royal Society read part of Letter 44 of 1685-01-23 about oil of tartar, potash, and camphor |
May 16, 1685 |
The Royal Society read the latter part of Letter 44 of 1685-01-23 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 44 of 1685-01-23 on salts of wine and vinegar |
June 20, 1685 |
The Royal Society read part of Letter 45 of 1685-03-30 about the role of eggs and male sperm in a female dog |
June 27, 1685 |
The Royal Society read the latter part of Letter 45 of 1685-03-30 about sperm and eggs in sheep and rabbits |
August 27, 1685 |
editor Edmond Halley did not publish any letters by Leeuwenhoek in Philosophical Transactions from 1685 to 1693 |
November 14, 1685 |
The Royal Society read and discussed Letter 46 of 1685-07-13 about reproduction of trees, comparison of reproduction of mammals with the reproduction of plants, and cross-breeding |
January 23, 1686 |
The Royal Society read part of Letter 47 of 1685-10-12 about embryo plants in cotton seeds |
February 6, 1686 |
The Royal Society elected Edmond Halley as clerk |
March 12, 1686 |
Thomas Gale wrote a letter to Leeuwenhoek reviewing his recent "ingenious and curious communications" |
March 13, 1686 |
The Royal Society read part of Letter 47 of 1685-10-12 about chyle, sweat, pores of the skin, the crystalline humour of the eye, and the optic nerve |
March 20, 1686 |
The Royal Society read part of Letter 47 of 1685-10-12 about gall and the scales and slime of fish |
March 27, 1686 |
The Royal Society ordered that the unread part of Letter 47 of 1685-10-12 be read at the next meeting |
April 3, 1686 |
The Royal Society asked Francis Lodwick to translate Letter 48 of 1686-01-22 about cinnebar and gunpowder |
April 10, 1686 |
The Royal Society read and discussed Letter 48 of 1686-01-22 about cinnebar and gunpowder |
April 24, 1686 |
The Royal Society ordered that Letter 49 of 1686-04-02 be translated |
May 1, 1686 |
The Royal Society read part of Letter 48 of 1686-01-22 about the particles composing cinnabar |
May 8, 1686 |
The Royal Society read another part of Letter 48 of 1686-01-22 about gunpowder explosions and cannon lengths |