My husband, Alex Hooper, who has died aged 82 after a long illness, had an extraordinarily varied career, including as an archaeologist, film-maker, merchant seaman, teacher and gallery curator.In the late 1960s, while doing an MA in film studies at the Slade School of Fine Art, Alex became close friends with Peter Gibson of Brett Marvin and the Thunderbolts, and the pair made a documentary about the blues musician John Mayall, The Turning Point (1969). Through going on tour with Mayall, and mak