John Alan Chalmers

Professor John Alan Chalmers (29 September 1904 – 14 March 1967) was a British atmospheric physicist based at Durham University. He is well known for his contributions to atmospheric electricity, particularly an internationally respected textbook, and, outside his scientific work, for his involvement with Scouting. This led to him being widely known to his colleagues by the nickname, "Skip", a commonly used term for the leader of a Scout troop. Provided by Wikipedia