Florian Cajori

American mathematician.

Born February 28th, 1859 in Scharans. [ref]

Died August 15th, 1930 at 71 years old in Berkeley.

Occupations
historian of mathematics, mathematician, university teacher
Wikipedia

Tell your friend that in his death, a part of you dies and goes with him. Wherever he goes, you also go. He will not be alone. Jiddu Krishnamurti