In conjunction with saxophonist and longtime collaborator Dick Morrissey, guitarist Jim Mullen spearheaded the British jazz-fusion movement of the 1970s. Born November 26, 1945 in Glasgow, Scotland, Mullen acquired his first guitar at age eight, soon after discovering jazz through an older friend. Although he later studied journalism, he remained a fixture of the local jazz circuit, ultimately forming a group with tenor saxophonist Malcolm Duncan and keyboardist Roger Ball. Mullen relocated to London in 1969, joined Pete Brown's Piblokto!, and then signed on with Brian Auger's...