Wagner, Oscar was born on October 8, 1893 in Corydon, Iowa, United States. Son of Joseph Benjamin and Mary Elizabeth (Goudy) Wagner.
Graduate Cosmopolitan School of Music, Chicago, Ill. Studied with Ernest Hutcheson, New York. Graduate School, 1939-1946.
Dean, 1928-1937, in charge Institute of Musical Art of same, 1934-1937. Dean Juillard School of Music, 1937-1939. Dean, Juilliard Graduate School, 1939-1946.
President Society Publ.
Member of faculty, Cosmopolitan School of Music, Chicago, 1917-1919. Member of faculty Eureka College, 1918-1924, director, 1922-1924. Member of faculty, Juilliard School Music, New York, 1925-1946, assistant dean, 1928-1937, in charge Institute of Musical Art of same, 1934-1937.
Member faculty Los Angeles Conservatory of Music and Arts, 1946-1954. Member of faculty University Utah, Salt Lake City, 1954-1965. Member Lambda Chi Alpha.