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 Jacob, Jan Carel s’ | |
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 (Source: Flora Malesiana ser. 1, 1: Cyclopaedia of collectors) | |
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 Born: 1900, Amsterdam, Holland. | |
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 Phytopathologist, educated at Utrecht University, taking his Ph. Dr’s degree in 1927; subsequently appointed Botanist at the Besuki Experiment Station (Djember) in E. Java, filling the latter office till the end of 1939; since September 1940 teacher at the Colonial Agricultural School, Deventer (Holland); since 1941 leader of the scientific department of the ‘C. V. Landbouwbureau M. Wiersum’ at Groningen. | |
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 1938. E. Java: G. Lamongan and G. Merapi-Idjen. | |
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 Herb. Bog. [BO]: > 9 nos. He had a small private collection, but as it remained at Djemher in E. Java, it is probably lost now. | |
| 
 Bergcultures 13, 1939, p. 400. |