[1] He remained in Canada when his father's mission ended, and attended the University of Toronto from 1893 to 1897, where he gained a BA in Classics.

[2] On leaving university, Sandwell joined the staff at The Evening News in Toronto.

Returning to Toronto in 1931, Sandwell became the editor of Saturday Night in 1932, and made the magazine the mouthpiece of Canadian Liberalism until his retirement from the journal in 1951.

[5] A man with a prolific output, Sandwell in his later years appeared to increase his work rate.

His younger brother Captain Arnold Sandwell flew with the RNAS in World War I and served with the Royal Canadian Airforce until his death in 1940.