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He is a Russian Air Force Colonel and cosmonaut of Yuri Gagarin Cosmonaut Training Center, was born on 5 March 1953 in Krasny Sulin. Korzun and his wife Elana have one son, Nikita. His father is Korzun Grigori Andreyevich, and his mother, Korzun Maria Arsentievna. His hobbies include tennis, badminton and theater.