Leo Ognall

Leo Ognall
Born(1908-06-20)June 20, 1908
Montreal, Canada
DiedApril 12, 1979(1979-04-12) (aged 70)
Leeds, West Yorkshire, England, U.K.
Pen nameHartley Howard
Harry Carmichael
OccupationJournalist, author
GenreCrime novels
Notable worksDepartment K
Children3, including Harry Ognall

Leopold Horace Ognall (20 June 1908 – 12 April 1979), known by the pen names Hartley Howard and Harry Carmichael, was a British crime novelist.