Wrote Letter L-380 of 1700-12-25 to Hans Sloane about the sperm of a ram and his objections to Nicolaas Hartsoeker's claim to have discovered sperm first in 1678 when Leeuwenhoek had written to the Royal Society about sperm in 1677

Date: 
December 25, 1700
Standard reference information
L-number: 
L-380
Leeuwenhoek's number: 
135
Collected Letters number: 
220
Collected Letters volume: 
13

Text of the letter in the original Dutch and in English translation from Alle de Brieven. The Collected Letters at the DBNL - De Digitale Bibliotheek voor de Nederlandse Letteren

Following up on his research during the previous July into ram's testicles, Leeuwenhoek wrote this letter about the sperm of a ram; objections to Nicolaas Hartsoeker's claim to have discovered sperm first in 1678 when Leeuwenhoek had written to the Royal Society about this in 1677.