Hermann Ganswindt was a German inventor and spaceflight scientist, whose inventions are thought to have been ahead of his time.
He was born in Voigtshof near Seeburg, East Prussia. During his youth, he showed an interest in technology. Wikipedia
Born: June 12, 1856, Jeziorany, Poland
Died: October 25, 1934 (age 78 years), Berlin, Germany
Grandchild: Karl Hermann Hausser
Children: Isolde Hausser, Gerlind Ganswindt, and Sigurd Ganswindt