Coverstory • 1977 Pontiac Phantom. 1977 Pontiac Phantom: Remembering Bill Mitchell's Final Masterpiece. Published: 31 May 2024, 12:03 UTC • By: Vlad Radu. 7 photos. Photo: General Motors LLC.

Planning for retirement, Bill Mitchell started his last project to make the Pontiac Phantom, ... The spirit of Studio X lived on after Mitchell's retirement in 1977 and death 11 years later.