After the War he returned to college to study engineering at Massachusetts Institute of Technology, where he obtained his BSc in 1922.
[3][4] After his graduation from MIT in 1922 Blackall started his lifelong career at Taft-Peirce Manufacturing Company as staff officer in charge of the heat-treatment, electroplating, and steel supply departments.
There he was "responsible for the reorganisation of the departmental layouts and the institution of radical changes in crude stock control and heating treating methods.
"[4] Looking back at this period Blackall later admitted: "If one may be said to have any hobby in the field of engineering, mine is the metallurgy and heat-treatment of iron and steel.
Blackall lost his life in a plane crash near Matane, Quebec, on the Gaspé Peninsula, July 7, 1963.