[1][2] He graduated from Norwich University in 1905, earning a Bachelor of Science degree in chemistry.
After graduating from college Denny operated a Northfield grocery store and worked as a salesman for Fairbanks Scales.
[3] Denny also became active in banking, serving as President of the Northfield Trust Company.
[7] Denny was elected to the Vermont House for the second time in 1942 and served two terms, 1943 to 1947.
In 1946 Denny was a candidate for lieutenant governor, but withdrew before the primary election was held.