William “Bill” Finn, the Tony Award-winning writer and composer of Falsettos, has died, his literary agent, Ron Gwiazda, told The Hollywood Reporter. He was 73. The cause of death was not immediately available.

Finn is well-known in the theater world for his autobiographical, moving and lyrically clever musicals, including Falsettos, for which he won 1992 Tonys for best original score and best book of a musical, with co-writer James Lapine. The production combined two shorter musicals he had penned (March of the Falsettos and Falsettoland) into one story following Marvin and his boyfriend Whizzer, Marvin’s ex-wife Trina, their son and their psychiatrist, Mendel, that covered themes of love, family and sexual identity in the late 1970s into the 1980s.

The original Broadway production ran at the John Golden Theater in 1992 and a revival was staged on Broadway in 2016, with THR‘s review praising the continued relevance of the storyline and the song compositions,...