Étienne Œhmichen

French engineer and helicopter designer (1884-1955).

Born October 15th, 1884 in Châlons-en-Champagne.

Died July 10th, 1955 at 70 years old in Paris.

Occupations
engineer, military flight engineer, professor
Wikipedia
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We are born from a quiet sleep, and we die to a calm awakening. Zhuangzi