Frederick Charles Slack (August 7, 1910 – August 10, 1965) was an American swing and boogie-woogie pianist and bandleader.\r Born in Viroqua, Wisconsin, he learned to play drums as a boy. Later took up xylophone and at 13 changed to piano. He studied with a local teacher throughout high school. At 17 his parents moved to Chicago where he continued his musical training. He met Rosy McHargue, a well known clarinetist, who took him to hear many leading musicians including Bix Beiderbecke and Earl Hines. His first job was with Johnny Tobin at the Beach View Gardens. He later moved to Los Angeles where he worked wioth Henry Halstead, Earl Burtnett and Lennie Hayton, before joining Ben Pollack in 1934.