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
Baltica data makes it difficult to locate the margin in the Arctic. Ordovician faunas indicate that most of Svalbard, including Bjørnøya, was part of Laurentia, but Franz Josef Land and Kvitøya (an eastern island of the Svalbard archipelago) most likely became part of Baltica in the Timanide Orogeny. The Taymyr Peninsula, in contrast, never was part of Baltica: southern Taymyr was part of Siberia whilst northern Taymyr and the Severnaya Zemlya archipelago were part of the independent Kara Terrane in the early Palaeozoic. The eastern margin, the Uralide orogen, extends from the Arctic Novaya Zemlya archipelago to the Aral Sea. The