In April of 1994, Kurt Cobain died of a self-inflicted gunshot wound to the head. He left behind a wife, an infant daughter and a legacy as one of the last true rock gods. In the intervening 21 years, a messianic persona has been grafted onto this young man from Aberdeen, Washington. His face is plastered on t-shirts and posters the world over to the point where he has become an apolitical Che Guevara for angry misunderstood adolescents to identify with. There is a plethora of retrospective articles, unauthorized biographies and crackpot theories relating to the man, his music and…