Reference numberEL/L3/25
TitleLetter, from Antoni van Leeuwenhoek to Hans Sloane, dated at Delft
CreatorLeeuwenhoek; Antoni van (1632-1723); Dutch tradesman and scientist
Date25 December 1700
DescriptionSigned autograph
On the spermatozoa 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. This latter letter no longer exists but a transcription and translation of observations of the discovery of living spermatozoids is printed in 'Alle de brieven van Antoni van Leeuwenhoek', vol 2, p 277 and 'Philosophical Transactions', vol 12, no 142, p 1040.
7 red-chalk figures of sperm attached
Read to the Royal Society on 15 January 1701
Transcribed in JBO/10/208
English translation printed in 'Philosophical Transactions', vol 22, no 268, p 739
Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 13, p 227
Place originDelft, South Holland, (United Provinces) Netherlands
Origin coordinates52.00667, 4.35556
Digital imagesView item on Science in the Making
Access statusOpen
Related materialDOI: 10.1098/rstl.1700.0062
Related records in the catalogueJBO/10/208
URL descriptionAlso available on Early Modern Letters Online
Fellows associated with this archive
NA8406Sloane; Sir; Hans (1660 - 1753); physician and collector1660 - 1753
NA8438van Leeuwenhoek; Antoni (1632 - 1723); tradesman and microscopist1632 - 1723
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