Focke-Wulf
In 1923, with Wulf and Dr. Werner Naumann, Focke co-founded Focke-Wulf-Flugzeugbau GmbH. Wulf died in an accident in 1927 in the F19 "Ente" canard monoplane
In 1930 Focke was offered a chair at the Danzig Institute of Technology, an honour which he declined. In 1931 the city of Bremen awarded him the title of Professor. The same year, Focke-Wulf was merged with the Albatros Flugzeugwerke company.
Focke-Wulf constructed Juan de la Cierva's autogyro under license from 1933, and Focke was inspired by it to design the world's first practical helicopter, the Focke-Wulf Fw 61, which first flew on 26 June 1936.
In 1936 Focke was ousted from the Focke-Wulf company by shareholder pressure. Though the ostensible reason was that he was considered "politically unreliable" by the Nazi regime there is reason to believe it was so that Focke-Wulf's manufacturing capacity could be used to produce Bf 109 aircraft. The company was taken over by AEG, but soon after this the Air Ministry, which had been impressed by the Fw 61 helicopter, suggested that Focke establish a new company dedicated to helicopter development and issued him with a requirement for an improved design capable of carrying a 700 kg (1,500 lb) payload.
Read more about this topic: Henrich Focke