What American rock musician, born in March of 1941, left his popular group after the release of the album "Nuclear Furniture?"
Nuclear Furniture:  It was the last album released by the band until 1998's "Windows of Heaven", and was also the final album by the band before the departure of leader Paul Kantner and the formation of the offshoot band Starship. Paul Kantner: Paul Lorin Kantner (March 17, 1941 – January 28, 2016) was an American rock musician.
Paul Kantner