Farmer was born an hour after his twin brother, on August 21, 1928, in
Council Bluffs, Iowa, reportedly at 2201 Fourth Avenue. Their parents, James Arthur Farmer and Hazel Stewart Farmer, divorced when the boys were four, and their steelworker father was killed in a work accident not long after this. Addison moved with his grandfather, grandmother, mother, brother and sister to
Phoenix, Arizona when he was still four. Farmer and his brother moved to
Los Angeles in 1945, attending the music-oriented
Jefferson High School, where they gained music instruction and met other developing musicians such as
Sonny Criss,
Ernie Andrews,
Big Jay McNeely and
Ed Thigpen. The brothers earned money by working in a cold-storage warehouse and by playing professionally. He took bass lessons from
Frederick Zimmermann, and studied at
Juilliard and the
Manhattan School of Music. ==Career==