Eugen Sänger
Eugen Sänger (22 September 1905 – 10 February 1964) was an Austrian aerospace engineer best known for his contributions to lifting body and ramjet technology. == Early career == Sänger was born in the former mining town of Preßnitz (Přísečnice), near Komotau in Bohemia, part of the Austro-Hungarian Empire at that time .