Juan Augusto Olsacher, Argentine geologist and mineralogist (Cordoba 18 March 1903 – Cordoba 16 May 1964)
From Austrian father and German mother
Authored 36 works
Improved Hobson procedure for obtaining block diagrams (1960)
Described mineral species achavalite (1939) and schmiederite (1962)
Olsacherite Hurlbut Jr & Aristaraín 1969 (Mineral)
Juan Capellín, Spanish / Mexican miner (séc.XVI) Invented a new…
Anastasio de Jesus Alfaro Gonzalez, Costa Rican naturalist, ethnologist and…
Ricardo de Lemos Fróes, Brazilian botanist (Maranhão State 1891 –…
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