Sir Frederick Henry Stewart (16 January 1916 â 9 December 2001) was a Scottish geologist and academic who was a professor at the University of Edinburgh.
Stewart was born in Aberdeen on 16 January 1916, the son of Frederick Robert Stewart, a lecturer in engineering at Aberdeen University, and his wife, Hester Alexander.
He was educated at Fettes College and Robert Gordon's College. He earned a BSc in Zoology at Aberdeen University. He followed this with a doctorate (PhD) in Geology at Emmanuel College, Cambridge, while studying the geology of the Isle of Skye and the village of Belhelvie, Aberdeenshire.
In 1945, Stewart married Mary Rainbow, (later to achieve recognition as the novelist Mary Stewart) whom he met whilst working in Durham. She lived longer than him, dying in 2014. There were no children.