Marcello Malpighi

Antony's: 
professional peer; they were aware of and reacted to each other's work
Baptism date: 
March 10, 1628
Burial date: 
November 29, 1694

The Italian Malpighi was the first histologist, using thin sections and transmitted light to study plant and animal tissue. He was the first Italian member of the Royal Society, which published a half dozen of his articles in Philosophical Transactions between 1667 (vol 2) and 1684 (vol 14). They also published his 1671 book, Anatomia Plantarum (Plant Anatomy).

Aware of and reacting to each other's work, Malpighi and Leeuwenhoek independently studied wood, blood, and blood vessels, and they had conflicting ideas on reproduction. Malpighi was already an established researcher by the time Leeuwenhoek began publishing, and some of his observations (ex: red blood cells) pre-dated Leeuwenhoek's even though Malpighi did not always accurately identify what he saw.

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see:

Iterson, G. van. "A Discussion of Leeuwenhoek's Drawings and Descriptions in His Letter of 12 January 1680, as Compared with Those by Marcellus Malpighi and Nehemiah Grew of Corresponding Objects." Alle de Brieven / Collected Letters Volume 3, p. 435-441.

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