Albert Gillis von Baumhauer

Albert Gillis von Baumhauer (Heerenveen, October 1891 – Alder, 18 March 1939) was a Dutch aviation pioneer notable for his design of the first Dutch helicopter and the related inventions, in particular the cyclic and collective control and a single rotor design.

Albert Gillis von Baumhauer

Albert Gillis von Baumhauer (Heerenveen, October 1891 – Alder, 18 March 1939) was a Dutch aviation pioneer notable for his design of the first Dutch helicopter and the related inventions, in particular the cyclic and collective control and a single rotor design.