Oskar Heil (20 March 1908, in Langwieden/Rhineland-Palatinate – 15 May 1994) was a German electrical engineer and inventor. He studied physics, chemistry, mathematics, and music at the Georg-August University of Göttingen and was awarded his PhD in 1933, for his work on molecular spectroscopy.
Read more about Oskar Heil: Personal Life, Microwave Vacuum Tube, Field-effect Transistor, Air Motion Transformer