Max Valier
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Max Valier was an Austrian rocketry pioneer. He was a leading figure in the world's first large-scale rocket program, Opel-RAK, and helped found the German Verein für Raumschiffahrt that would bring t
Valier as depicted in Air Wonder Stories, February 1930.
Valier's birthplace.
Valier in a rocket car, c. 1930.
Opel RAK.1 - World's first public flight of a manned rocket-powered plane on September 30, 1929
Friedrich Wilhelm Sander
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Friedrich Wilhelm Sander was a German pyrotechnics and rocket technology engineer as well as manufacturer remembered for his contributions to rocket-powered flight as key protagonist of the Opel-RAK p
Friedrich Sander (left) and Fritz von Opel (right) in front of Opel RAK 1 rocket-powered aircraft. Rebstock, Frankfurt. 30 September 1929
Friedrich Sander, Opel RAK technician August Becker and Opel employee Karl Treber (from right to left) in front of liquid-fuel rocket-plane prototype while test operation at Opel Rennbahn in Rüsselsheim