Karel Heyne

[2] Towards the end of the 19th century he settled on Java in the former Dutch East Indies.

In 1900, at the age of 23, he started working for the Koninklijke Paketvaart Maatschappij (KPM).

In January 1906, Heyne was appointed chief curator of the Museum voor Economische Botanie (Museum of Economic Botany) in Buitenzorg by Melchior Treub, the then director of 's Lands Plantentuin in Buitenzorg.

There he cultivated Indonesian plants till his death twenty years later.

Heating the greenhouse made him rise at four, every night, to refill the coal-burning stove.

The library of the Museum voor Economische Botanie in Buitenzorg, circa 1920–1930.