Alfred Epaminondas Sarant, also known as Filipp Georgievich Staros and Philip Georgievich Staros (1918-March 12, 1979), was an engineer and a member of the Communist party in New York City in 1944. He was part of the Rosenberg spy ring that reported to Soviet intelligence. Sarant worked on secret military radar at the United States Army Signal Corps laboratories at Fort Monmouth, New Jersey. Alexandre Feklisov, one of the KGB case officers who handled the Rosenberg spy apparatus described Sarant and Joel Barr as among the most productive members of the group. Sarant was recruited as a Soviet espionage agent by Barr.