Anton Ulrich von Braunschweig-Wolfenbüttel

Other name: 
von Braunschweig-Wolfenbüttel
Baptism date: 
October 4, 1633
Burial date: 
March 27, 1714

According to Haaxman's 1871 biography, Anthony Ulrich visited Leeuwenhoek in Delft, probably during one of the two visits he made to the Dutch Republic in 1691 and 1709. In 1691, he put Gottfried Leibniz in charge of the library, the Bibliotheca Augusta, that his father, August, Duke of Wolfenbüttel, had established. Leibniz had visited Leeuwenhoek in 1676, so perhaps Ulrich heard about Leeuwenhoek through Leibniz.

The image on the right is a detail from an undated painting by Christoph Bernhard Francke.

In the inventory of Leeuwenhoek's daughter's estate, "1 Antony Ulrich 2 ounces 16 1/4 Engels at 58 st per ounce - 8 gl 2 st" is listed among the silver coins and foreign money. This entry suggests that Ulrich left with Leeuwenhoek a coin stamped in his image. I wonder what Leeuwenhoek gave Ulrich in return?

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