Henry Landau (British Army officer)

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Henry Landau
Born	7 March 1892 Bethel, South African Republic
Died	20 May 1968(1968-05-20) (aged 76) Chilapa, Mexico
Nationality	South African
Awards	Officer of the Most Excellent Order of the British Empire, Croix de Guerre, Knight of the Order of the Crown of Belgium.
Espionage activity
Allegiance	Great-Britain
Service branch	Royal Field Artillery, SIS (MI6)
Service years	1914-1916 Royal Field Artillery, 1916-1920 SIS (MI6)
Rank	army captain
Operations	World War I

Henry Landau OBE (7 March 1892 – 20 May 1968) was a South African World War I volunteer who served with the British Army's Royal Field Artillery when he was recruited into what is now known as the SIS (MI6). He was notable as the handler of one of the most effective spy rings of the First World War, La Dame Blanche, and later wrote a number of bestselling novels about his experiences during the war.