Gustaaf Adolf Frederik Molengraaff
G.A.F. Molengraaff; Gustaaf Molengraaff
February 27, 1860 – March 26, 1942
geologist, explorer, university teacher, photographer
Dutch scientist
http://www.wikidata.org/entity/Q1255637
https://en.wikipedia.org/wiki/Gustaaf_Adolf_Frederik_Molengraaff [View]
Gustaaf Adolf Frederik Molengraaff
Kingdom of the Netherlands
Co-collectors have not yet been recorded.