Engelbert Zaschka, German engineer and designer, invented the Human-powered aircraft (d. 1955)
Engelbert Zaschka (September 1, 1895 in Freiburg im Breisgau, Germany – June 26, 1955 in Freiburg im Breisgau, Germany) was a German chief engineer, chief designer and inventor. Zaschka is one of the first German helicopter pioneers and he is a pioneer of flying with muscle power and the folding car. Zaschka devoted himself primarily to aviation and automotive topics, but his work was not limited to them.

Engelbert Zaschka is a prominent representative of the rotary aircraft, a class of rotorcraft systems - according to Zaschka. In 1928/1929 Zaschka developed and constructed the first collapsible and foldable small car (folding car) and in 1934 an early muscle-powered airplane.