Which Soviet mathematician was interrogated by the KGB as a result of his or her work, Sergei Novikov or Bella Subbotovskaya?
Sergei Novikov (mathematician) Sergei Petrovich Novikov (also Serguei) (Russian: Серге́й Петро́вич Но́виков) (born 20 March 1938) is a Soviet and Russian mathematician, noted for work in both algebraic topology and soliton theory. In 1970, he won the Fields Medal.
Zenon Ivanovich Borevich Zenon Ivanovich Borevich Зенон Иванович Боревич (7 November 1922 – 26 February 1995) was a Russian mathematician who worked on homological algebra, algebraic number theory, integral representations, and linear groups.