Frank D. Gilroy was an American playwright, screenwriter, and director, best known for his work in theater and film. He gained significant recognition for his play, The Subject Was Roses, which won the Tony Award for Best Play in 1965. Gilroy's writing often explored themes of family dynamics and personal struggles. In addition to his success on stage, Gilroy also contributed to television and film, writing scripts for various productions. His work has left a lasting impact on American theater, and he is remembered for his ability to capture the complexities of human relationships through his storytelling.