Friedrich Sass

Friedrich Sass (6 January 1883 – 26 February 1968) was a German engineer, university professor, and historian.

Life and career

Friedrich Sass was born in Koldenbüttel and attended the Gymnasium (grammar school) in Schleswig. He studied mechanical engineering at the Technical University of Munich, and marine engineering at Technische Universität Berlin. After graduating from TU Berlin, Sass worked as a steam turbine designer at AEG from 1908. During World War I, Sass became the head of AEG's Diesel engine department, where he designed the double-acting piston two-stroke Diesel engine with air-blast-less, direct fuel injection; initially, it was intended for submarine use.