John Oliver Wheeler (19 December 1924 – 24 May 2015)[1] was a Canadian geologist, who spent most of his career as a research scientist with the Geological Survey of Canada.
His father, Sir Edward Oliver Wheeler, participated in the first topographical survey of Mount Everest in 1921, and later rose to become Surveyor General of India.
[clarification needed] The greatest part of this achievement was the Cordillera from northern Washington to eastern Alaska.
This 20-year project performed geoscientific studies on and mapped deep seismic transects of Canada’s crust.
During his later years he remainined as an unsalaried emeritus research scientist at the Geological Survey of Canada in Vancouver, and was a lead author of the 2004 Canada-USA collaborative Geological Map of North America.