René de Saussure

Swiss mathematician and esperantist (1868-1943).

Born March 17th, 1868 in Geneva. [ref]

Died December 2nd, 1943 at 75 years old in Bern. [ref]

Occupations
Esperantist, esperantologist, interlinguist, mathematician, translator

As a well spent day brings happy sleep, so life well used brings happy death. Leonardo da Vinci