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
Novaya Zemlya effect two full weeks prior to its calculated return. They were met with disbelief by the rest of the crew (who accused De Veer of having used the old Julian calendar instead of the Gregorian calendar introduced several years earlier), but on January 27 the Sun was seen by all "in his full roundnesse". For centuries the account was the source of skepticism, until in the 20th century the phenomenon was finally proven to be genuine. Apart from the image of the Sun, the Novaya Zemlya effect can also elevate the image of other objects above the horizon, such as coastlines