What pianist did George Gershwin compose Rhapsody in Blue and Piano Concerto in F?

George Gershwin composed "Rhapsody in Blue" and the "Piano Concerto in F" for the renowned pianist Paul Whiteman. Whiteman was a prominent bandleader and conductor who played a significant role in popularizing jazz and orchestral music during the 1920s. Gershwin's works were instrumental in bridging the gap between Classical Music and jazz, showcasing Whiteman's innovative approach to music.