Yevgraf Fyodorov

Russian mathematician, crystallographer, and mineralogist.

Born December 22nd, 1853 in Orenburg.

Died May 21st, 1919 at 65 years old in Saint Petersburg (pneumonia).

Occupations
academic, crystallographer, geologist, mathematician, mineralogist, mining engineer, naturalist, professor
Wikipedia

Die happily and look forward to taking up a new and better form. Like the sun, only when you set in the west can you rise in the east. Rumi