Leonid Kulik

Russian mineralogist (1883-1942).

Born August 31st, 1883 in Tartu. [ref]

Died April 14th, 1942 at 58 years old in Spas-Demensk (typhus).

Occupations
mineralogist, university teacher
Wikipedia

To the most trivial actions, attach the devotion and mindfulness of a hundred monks. To matters of life and death, attach a sense of humor. Zhuangzi