Pyotr Pakhtusov Pyotr Pakhtusov Pyotr Kuzmich Pakhtusov () (1800 in Kronstadt – November 19, 1835 in Arkhangelsk) was a Russian surveyor and Arctic explorer. He is credited with the first thorough survey of Novaya Zemlya. Between 1832 and 1835 Pakhtusov undertook two exploratory journeys to Novaya Zemlya. He wintered on the island on the two occasions and took detailed meteorological observations. Pakhtusov carefully surveyed the southern and eastern parts of Novaya Zemlya along with fellow explorer and cartographer Avgust Tsivolko during the last two years of the expedition. Thanks to their work the first reliable maps of Novaya Zemlya's southern shores and
Novaya Zemlya detected by German U-boats and visually confirmed by German reconnaissance aircraft. On the night of July 4, the German battleship "Tirpitz" and the heavy cruisers "Admiral Scheer", "Lutzow", and "Hipper," closed on PQ-17 and sank four allied merchant ships. The British Admiralty responded by diverting the convoy’s escort vessels to the west to engage the German warships, and ordered the now-vulnerable merchant vessels to scatter. Seeking the hoped-for sanctuary of Matochkin Strait, several of the ships headed toward Novaya Zemlya at flank speed. S.A. Kerslake, a crew-member aboard the British Trawler "Northern Gem", recorded in his diary: …we were making