Ray Putnam Dinsmore (24 April 1893 – 26 October 1979[1]) was a rubber scientist, known for pioneering the use of rayon as a reinforcing material in auto tires.
[3] Dinsmore hired noted rubber physicist Samuel D. Gehman, and he collaborated with Lorin Sebrell.
[4] His authored a popular review on the topic of rubber chemistry for the American Chemical Society's 75th Anniversary.
Dinsmore was educated at the Massachusetts Institute of Technology, completing a degree in chemical engineering at the age of 21.
[8] He was Vice President of Research and Development (1943-1961) and a Member of the Board of Directors (1960-1964) at the Goodyear Tire and Rubber Company.