Nikolai Fyodorovich Fyodorov (Russian: ??????ยด? ????????? ???????; surname also Anglicized as "Fedorov", June 9, 1829 โ December 28, 1903) was a Russian Orthodox Christian philosopher, who was part of the Russian cosmism movement and a precursor of transhumanism.
Fyodorov advocated radical life extension, physical immortality and even resurrection of the dead, using scientific methods.