Edward J. Ruppelt

American ufo researcher (1923–1960).

Born July 17th, 1923 in Ottumwa, Grundy Center.

Died September 15th, 1960 at 37 years old in Long Beach (myocardial infarction).

Occupations
engineer, military flight engineer, military officer, ufologist
Wikipedia

Mostly it is loss which teaches us about the worth of things. Arthur Schopenhauer