JD
John Gordon Stewart Drysdale
John Gordon Stewart Drysdale, also known as Abbas Idriss, was a British-born army officer, diplomat, writer, historian, and businessman. He spent much of his life in Somalia, Somaliland and Singapore. Drysdale served as an advisor to three successive Somali prime ministers in the 1960s and later for three successive United Nations special envoys during the international intervention in the Somali Civil War.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Singapore, Struggle for Success
1984
ISBN 9789812047717