pct_10bi3z King and Rockefeller Taken in Colorado in 1915, this photo shows Mackenzie King with American mogul John D. Rockefeller (at right) and a miner, Archie Dennison. During his leave from politics, King studied industrial relations, in particular the Colorado Fuel and Iron Co. National Archives of Canada C-29350 pct 1915 Early Influences King, William Lyon Mackenzie; Rockefeller, John D. King bio 0