(From Wikipedia):
1965–1966 Robin Williamson, Clive Palmer, Mike Heron
1966–1968 Williamson, Heron
1968–1971 Williamson, Heron, Licorice McKechnie, Rose Simpson
1971–1972 Williamson, Heron, McKechnie, Malcolm Le Maistre
1972–1973 Williamson, Heron, Le Maistre, Gerard Dott, Stan Schnier, Jack Ingram
1973–1974 Williamson, Heron, Le Maistre, Schnier, Ingram, Graham Forbes
1974 (Feb–Oct) Williamson, Heron, Le Maistre, Schnier, Forbes, John Gilston
1999–2003 Williamson, Palmer, Heron, Bina Williamson, Lawson Dando
2003–2006 Palmer, Heron, Dando, Claire Smith
Studio Albums