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date: 18 October 2019

Ympyn, Janlocked

(c. 1485–1540)
  • R. H. Parker


Ympyn, Jan (c. 1485–1540), merchant and author of a text on double entry accounting, was born in the Low Countries (but not in Antwerp), the son of Christoffel Ympens, a merchant. He was sent to Italy to work and to learn commercial practices, spending twelve years there, mostly in ...

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