Konstanty Jodko-Narkiewicz

Konstanty Jodko-Narkiewicz, also known as Konstanty Narkiewicz-Jodko (1901–1963), was a Polish geophysicist who specialized in studying cosmic radiation. He was also a mountaineer, Arctic explorer, and balloonist.

Konstanty Jodko-Narkiewicz
Konstanty Narkiewicz-Jodko before the balloon flight