Appointed assistant conductor New York Philharmonic by Artur Rodzinski; substituted for Bruno Walter at Carnegie Hall concert November 14.
First performances of Jeremiah, Symphony No. 1, the ballet Fancy Free and the musical On the Town.
Appointed music director, New York City Symphony Orchestra, 1945-47.
First European conducting appearances in Prague and London; conducted U.S. premiere of Britten's Peter Grimes.
First visit to Israel; conducted in France, Belgium and Holland.
Served as musical advisor, Israel Philharmonic Orchestra, 1948-49; conducted concert at Beersheba, Israel during War of Independence; first appearance as conductor in Munich, Budapest, Vienna, Milan and Rome.
Piano soloist in first performance of his Second Symphony, The Age of Anxiety, conducted by Koussevitzky.
Premiere of the play Peter Pan with incidental music.
Appointed head of conducting studies at Tanglewood, following the death of Koussevitzky; marriage to Felicia Montealegre Cohn.