Sometimes referred to as Neibel. He was one of the driving forces behind German rocketry during WWII.

-In 1927 he was part of the "Verein Fur Raumschiffahrerte" group or Society for Space Navigation.

-There were Hermann Oberth, Werner Von Braun, Rolf Engel, Max Valier, Klaus Riedel and several others, who later stood out in their activity with rockets during the War.

“Nebel y otros”