Instagram/Jack Douglas & John Lenno Music Legendary producer Jack Douglas, known for work with Aerosmith and John Lennon, dies at 80 from lymphoma. May 13, 2026 AceShowbiz - The music world has lost a towering figure with the passing of Jack Douglas, a legendary producer celebrated for his work with iconic artists such as John Lennon, Aerosmith, Patti Smith, and Cheap Trick. Douglas died at age 80 from complications related to lymphoma, a fact confirmed by his daughter, Sarah, in a statement shared with Rolling Stone.