Effective period / Period of releases: 1969

Members: Jim Sawyers, Ken Matthew, Ned Torney, Allen Graham

Gladstone were a band from San Jose, California, United States. The group formed in 1967, under their original name, Bogus Thunder. Gladstone released one promotional-only single on the A&M label in 1968. The band recorded several other (still unissued) tracks for A&M during those same sessions, with Lee Michaels producing them, but they were never released. The group disbanded in 1968.