Ernst Krenkel, Polish-Russian geographer and explorer (died 1971)

Ernst Teodorovich Krenkel was a Soviet Arctic explorer, radio operator, and doctor of geographical sciences (1938). He is best known as one of the four members of the North Pole-1 expedition, for which he was awarded the title of Hero of the Soviet Union in 1938. Amateur radio callsigns: EU2EQ, U3AA, UA3AA, RAEM.