Russian zoologist (1855–1939).
Born February 26th, 1855 in Moscow.
Died February 11th, 1939 at 83 years old in Moscow.
Those men who, in war, seek to preserve their lives at any rate commonly die with shame and ignominy, while those who look upon death as common to all, and unavoidable, and are only solicitous to die with honour, oftener arrive at old age and, while they live, live happier. Xenophon