Adrian Malcolm Conan Doyle
From The Arthur Conan Doyle Encyclopedia
Adrian Malcom Conan Doyle (19 november 1910 - 3 june 1970) is the fourth child of Arthur Conan Doyle (the second child of his second marriage).
In 1954, he was the author with John Dickson Carr of the sherlockian pastiches collected in The Exploits of Sherlock Holmes (which are not considered as part of the Canon). They wrote in collaboration the 4 or 5 first stories and the rest by Adrian alone (according to himself in an interview).
He also wrote a biography of his father: The True Conan Doyle (1945).
He founded the Conan Doyle Foundation in Switzerland in order to preserve the memory and reputation of his famous father.