He was born in Penticton, British Columbia, the son of James Thom and Elena Myrtle Fennel.
Thom served as an aviator with the RCAF during World War II,[1] returned and graduated from the Vancouver School of Art in 1947.
He never went to architecture school but apprenticed at Thompson, Berwick & Pratt, where he quickly became recognized as an unusually gifted draughtsman and designer.
[2] He was the subject of a major retrospective exhibition in 2013 and 2014, "Ron Thom and the Allied Arts" featuring a collection of photographs, drawings, letters and furniture that he designed for his buildings.
The exhibition was shown in British Columbia in 2013, at the Gardiner Museum in Toronto beginning in February 2014, and at the Beaverbrook Gallery, Fredericton in November 2014.