David H. Keller

American writer (1880–1966).

Born December 23rd, 1880 in Philadelphia.

Died July 13th, 1966 at 85 years old in Stroudsburg.

Occupations
military physician, neuropsychiatrist, novelist, psychiatrist, psychologist, science fiction writer
Wikipedia

As soon as you’ll realize it was a gift, you’ll be free. Maxime Lagacé