Janusz Korczak

Polish educator (1878-1942).

Born July 22nd, 1878 in Warsaw. [ref]

Died August 7th, 1942 at 64 years old in Treblinka extermination camp.

Occupations
children's writer, freemason, pedagogue, pediatrician, physician, screenwriter, teacher, writer
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