Born into a poor Virginian family, John Treville Latouche (1914-56), in his short life, made a profound mark on America's musical theater as a lyricist, book writer, and librettist. The wit and skill of his lyrics elicited comparisons with the likes of Ira Gershwin, Lorenz Hart, and Cole Porter, but he had too, noted Stephen Sondheim, "a large vision of what musical theater could be," and he proved especially venturesome in helping to develop a lyric...