Johannes Winkler was born in Karlsruhe in 1897.

-During World War II, he worked as an engineer at the Junkers factory.

-A co-founder of the Society for Space Travel, he published books on rocket engines, such as "Die Rakete" (The Rocket).

-He flew what is considered Germany's first liquid-fueled rocket in 1931, the HW-2.

-He was also a designer of the Jatos rocket.

"Winkler's Test" (PiP)

-Photo from Mark Wade's encyclopedia.

-We have a very nice photographic record of Johannes Winkler himself, next to a high-altitude, very aerodynamic experimental rocket.

“Johannes Winkler and an Experimental Rocket” (PiP)

Launched from a remote area near the Baltic Sea, it carried a series of recording instruments that were recovered by parachutes.