Bob was born in Winnipeg in 1919, and grew up in the North End of the city. After serving with the R.C.A.F from 1942 to 1946, he attended the University of Manitoba, School of Architecture and graduated in 1952 with the Gold Medal in Architecture. He worked with the firm of Smith Carter Partners for 42 years. Harwood was project architect on many Winnipeg landmark buildings including, the Centennial Concert Hall, the Planetarium, the Museum of Man and Nature, the Pan Am Pool, the Monarch Life Building, and the Fairmont Hotel and concourse at Portage and Main. In 1978, Bob and his wife spent a unique two years in Moscow while he was on assignment for the planning of a new Canadian Embassy there.
He served as a volunteer and on boards of many organizations, including the Western Canada Aviation Museum and the Westworth United Church.