. "Callen, Michael"@en . "American writer and musician" . "1993-12-27Z"^^ . "Michael Callen (April 11, 1955 \u2013 December 27, 1993) was a singer, songwriter, composer, author, and AIDS activist. He was a significant architect of the response to the AIDS crisis in the United States.First diagnosed with \"Gay related immune deficiency\" (GRID) in 1982, Callen quickly became a leader in the response to the epidemic."@en . . . "Michael Callen"@en . "1993Z"^^ . . . . "1955Z"^^ . . "1955-04-11Z"^^ .