Gerhard Karl Erich Gentzen was a German mathematician and logician. He made major contributions to the foundations of mathematics, proof theory, especially on natural deduction and sequent calculus. H
The V-2 rocket, with the development name Aggregat-4, was the world's first practical, modern ballistic missile and suborbital launch vehicle. The missile, powered by a liquid-propellant rocket engine
Gerhard Gentzen
…appointment. From 1943 he was a teacher at the German Charles-Ferdinand University of Prague. Under a contract from the SS, Gentzen worked for the V-2 project. Gentzen was arrested during the citizens uprising against the occupying German forces on 5 May 1945. He, along with the rest of the staff of…
Peenemünde Museum replica of V2
Wernher von Braun at Peenemünde Army Research Center
Wind tunnel model of an A4 in the German Museum of Technology in Berlin