[1][2] He designed and managed the Walter Callow Wheelchair Bus, while he himself was blind, quadriplegic and, eventually had both legs amputated.

Callow planned trips for disabled veterans, tours of the countryside, picnics, sporting events, art classes and other activities.

He was born in Parrsboro, Nova Scotia and became a resident of the Camp Hill Military Hospital for twenty years.

As a member of the Royal Flying Corps in Camp Mohawk, Ontario, Callow crashed in a test flight in 1918.

He named the company the "Callow Veterans' and Invalids' Welfare League" and established an office in Halifax.