John Frederick Dewey FRS (born 22 May 1937) is a British structural geologist and a strong proponent of the theory of plate tectonics, building upon the early work undertaken in the 1960s and 1970s.
Dewey was educated at Bancroft's School and Queen Mary and Imperial College at the University of London where he was awarded a BSc and PhD in geology.
[1] During this period he produced a series of classic papers centred on the history of the Appalachians in Newfoundland as well as the Scottish and Irish Caledonides.
In later years, his research has concentrated upon producing a model to describe the development and orogenic history of the Himalayan mountain range.
Dewey returned to the UK in 1982 as Professor of Geology at the University of Durham, a position he held for four years.