Effective period / Period of releases: 1970 - 1999

Members: Paul Vigrass, Tony Burrows, Wally Scott, Stuart Edwards, Dave Taylor (8), Rick Foster (2), Malcolm Holland, Andrew Locke, David Kerr-Clemenson, Eddie Richards (3), Ray Dorey (2), George Weyman

Members included: Tony Burrows (lead voc), Stuart Edwards (lead guitar), David Taylor (bass), George Wayman (drums), Ray Dorey (guitar), Paul Vigrass (lead vocal), David Clemson (bass), Andy Locke (guitar), Eddie Richards (drums), Wally Scott (guitar) .

Line up at present: Brian Huggins (lead voc), Dick Judd (dr, voc), Peter Butt (bass, voc), Pete Amos (lead guitar, voc).

See also Edison (8), a splinter group made up of the original members.