Feodor_Fedorenko--Kurt_Gerstein

Feodor Fedorenko or Fyodor Federenko (September 17, 1907 – July 28, 1987) was a Soviet Nazi collaborator and war criminal who served at Treblinka extermination camp in German occupied Poland during World War II. As a former Soviet citizen admitted to the United States under a DPA visa (1949), Fedorenko became a naturalized U.S. citizen in 1970. He was discovered in 1977 and denaturalized in 1981. Subsequently, he was deported to the USSR, sentenced to death there for treason and participating in the Holocaust. Fedorenko was executed in 1987.