Igor (Feodorovich) 1882-1971; Russ. composer & conductor, in the U.S. after 1940
See Stravinsky in American Heritage Dictionary 4
Russian-born composer of ballets, including The Firebird (1910), symphonies, operas, such as The Rake's Progress (1951), and other innovative works. His ballet The Rite of Spring provoked riots and protests when it was first produced in 1913.