The New [[Hieromartyr]] Protopresbyter Dr. '''Gabriel Kostelnik''', also '''Havryil Kostelnyk''', '''Havriil Kostelnik''' or '''Gabriel of Galicia''' ({{ru icon}} Костельник, Гавриил Фёдорович, {{sr icon}} Хавријил Костељник, June 15, 1886 - [[September 20]], 1948) was a Carpatho-Russian [[priest]] who returned to the [[Orthodox Church]] soon after the end of World War II. He was an outstanding church leader, theologian, philosopher, religious publicist, poet, playwright and prose-writer.<ref name=DECR>Russian Orthodox Church: Official Website of the Department for External Church Relations. ''[http://www.mospat.ru/archive/en/ne081285.htm 50th anniversary of the martyrdom of Protopresbyter Gabriel Kostelnik].'' 8.12.1998.</ref> In Controversially however, in March 1946 he presided over the controversial state-sponsored Reunion Council in Lvov (''Lvov Assembly / Lviv Sobor'') calling for the return of all [[Uniates]] to the Orthodox Faith, before he was assassinated during the political and religious turmoil of the late 1940s.