Leopold Horace Ognall (20 June 1908 – 12 April 1979),[1] known by the pen namesHartley Howard and Harry Carmichael, was a British crime novelist. Ognall was born in Montreal and worked as a journalist before starting his fiction career. He wrote over 90 novels before his death in 1979. The private eye Glenn Bowman was one of his most successful characters. As Harry Carmichael, Ognall's primary series characters were John Piper (an insurance assessor) and Quinn, a crime reporter.
Ognall's son Sir Harry Ognall became a high court judge and conducted the hearings regarding former Chilean leader Augusto Pinochet.
Ognall created the pseudonym "Harry Carmichael" as an amalgam of the names of his immediate family: His son Harry, his wife Cecilia, his daughter Margaret, and his son Michael.
As Harry Carmichael, Ognall authored the following novels (with year of publication):
Death Leaves a Diary 1952
The Vanishing Trick 1952
Deadly Night-Cap 1953
School for Murder 1953
Why Kill Johnny? 1954
Death Counts Three (US Title: The Screaming Rabbit) 1954
Money for Murder 1955
Noose for a Lady 1955
The Dead of Night 1956
Justice Enough 1956
Emergency Exit 1957
Put Out That Star (US Title: Into Thin Air) 1957
James Knowland: Deceased 1958
A Question of Time 1958
...Or Be He Dead 1959
Stranglehold (US Title: Marked Man) 1959
Requiem for Charles (US Title: The Late Unlamented) 1960