L. Sprague de Camp

American non- and speculative fiction writer.

Born November 27th, 1907 in New York City. [ref]

Died November 6th, 2000 at 92 years old in Plano. [ref]

Occupations
essayist, historian, journalist, literary critic, military officer, novelist, science fiction writer, writer
Wikipedia

It is not length of life, but depth of life. Ralph Waldo Emerson