Jon McIntire, a thespian and manager of the Grateful Dead in the 1970’s and 80’s, died of cancer on February 16, at his home in Stinson Beach. He was 70.

McIntire followed Jerry Garcia to West Marin in 1971 and lived here sporadically for the last four decades. It was McIntire’s decision to slip notes reading “Dead freaks Unite!” into copies of the band’s seventh album that reputedly sparked the Deadhead phenomenon, known today as…