Yevgeny Korotkevich Yevgeny Korotkevich Yevgeny Sergeyevich Korotkevich () (1918 – 1 February 1994) was a Soviet scientist and polar explorer, Hero of Socialist Labor, and Doctor of Geographical Sciences. He was one of the leading scientists of the Arctic and Antarctic Research Institute (AARI) in the field of glaciology and geography of polar countries. Yevgeny Korotkevich participated in and headed many Arctic expeditions. In 1947-1955, he was engaged in scientific research on New Siberian Islands, Franz Josef Land, Novaya Zemlya, Severnaya Zemlya, Spitzbergen, Kara Sea islands, Taymyr Peninsula. Since 1955, Korotkevich's scientific and organizational activity was closely associated with the studies of
Convoy PQ 18 against Russian ships thought to be sailing along the route north of Siberia. "Admiral Scheer" sailed north of Novaya Zemlya and then to the east and sank a Soviet icebreaker. By 30 August "Admiral Scheer" was back in Narvik. "B-Dienst" signals interception and documents recovered from a crashed Hampden, revealed details about the PQ 18 and QP 14 convoys, including their crossover and escort changeover points. U-boats, destroyers and the minelayer "Ulm" sailed on Operation Zar ("Unternehmen Zar") to sow mines at the entrance of the White Sea and off Novaya Zemlya. On 25 August, Ultra revealed the itinerary of