Friedrich Oltmanns

German phycologist (1860-1945).

Born July 11th, 1860 in Oberndorf, Lower Saxony.

Died December 13th, 1945 at 85 years old in Freiburg im Breisgau.

Occupations
botanist, university teacher
Wikipedia

The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins? Edgar Allan Poe