Walter Donaldson (1893-1947) was an influential American composer and songwriter primarily known for his contributions to the popular music genre in the early 20th century. He was a prominent figure in the Tin Pan Alley scene and is best recognized for his work in jazz and popular song forms. Donaldson's notable works include timeless standards such as "My Blue Heaven," "The Birth of the Blues," and "You're Driving Me Crazy." His collaborations with lyricists like George A. Whiting and Gus Kahn resulted in numerous hit songs that became staples in the repertoires of many jazz musicians and vocalists. His impact on music is significant; Donaldson's compositions have been covered by a wide range of artists, from Louis Armstrong to Frank Sinatra, indicating his wide-reaching influence. His ability to combine catchy melodies with sophisticated harmonies helped shape the sound of American popular music during the 1920s and 1930s. Donaldson's legacy endures, as his songs continue to be performed and recorded, reflecting the enduring appeal of his work in the American musical canon.