Earth Day co-founder killed, composted girlfriend Ira Einhorn preached against Vietnam War and violence, but had dark side Ira Einhorn was on stage hosting the first Earth Day event at the Fairmount Park in Philadelphia on April 22, 1970. Seven years later, police raided his closet and found the "composted" body of his ex-girlfriend inside a trunk. A self-proclaimed environmental activist, Einhorn made a name for himself among ecological groups during the 1960s and '70s by taking on the role of a tie-dye-wearing ecological guru and Philadelphia’s head hippie. With his long beard and gap-toothed smile, Einhorn — who nicknamed...