Most rock-poster fans know Bob Seidemann (1941-2017) for his 1967 photograph of the Grateful Dead standing in a Daly City suburb, his portrait of Janis Joplin wearing only a cascade of beads, and his album covers for Jerry Garcia, Jackson Browne, Neil Young, and Blind Faith. But by the mid-1980s, Seidemann had wearied of the […]