The California artist whose visual sense helped define the look of rock music in the Sixties and Seventies has passed away at 69: the obituary for Tom Wilkes is available at the Los Angeles Times; a trip through Wilkes’ credits — including such LPs covers as Neil Young‘s Harvest, the Rolling Stones‘ Beggars Banquet and George Harrison‘s Concert for Bangladesh — presents a dynamic cross-section of his era; and his official site answers such vital questions as “Who the hell is Tom Wilkes?”.