US songwriter. With lyricist Alan Jay Lerner (1918–86), he wrote the music for some of America's most popular musicals.
Born in Austria, Loewe was trained as a concert pianist and went to the USA in 1924. He began writing songs while playing the piano in restaurants in the 1930s. His earliest compositions were in an outmoded operetta style, but after meeting Lerner (1942) he changed his style and together they evolved a highly sophisticated form of musical play. The most successful of these were Brigadoon (1947), Paint Your Wagon (1951), My Fair Lady (1956), Gigi (1958), and Camelot (1960). My Fair Lady won a Pulitzer Prize, and all these musicals have been filmed.