Hugh Callingham Wheeler was a British novelist, screenwriter, librettist, poet and translator. He resided in the United States from 1934 until his death and became a naturalized citizen in 1942. He had attended London University.
Under the noms de plume Patrick Quentin, Q. Patrick and Jonathan Stagge, Wheeler was the author or co-author of many mystery novels and short stories. In 1963, his 1961 collection, The Ordeal of Mrs. Snow was given a Special Edgar Award by the Mystery Writers of America. He won the Tony Award and the Drama Desk Award for Outstanding Book of a Musical in 1973 and 1974 for his books for the musicals A Little Night Music and Candide, and won both again in 1979 for his book for Sweeney Todd.