Mr. Endersby is noted for his development of asphalt soil stabilization testing and construction procedures, in addition to outstanding work in the use of asphalt and asphalt mixtures for all types of asphalt construction.
A 1916 graduate of Stanford University, he spent the early years of his career with various agencies in road construction and maintenance. During World War I, he served in the St. Aignam District of France as Division Engineer in charge of roads.
Following the war, Mr. Endersby joined the Asphalt Department of Shell Development Company’s research center at Emeryville, California, remaining there until his retirement in 1953.
Active in the Association of Asphalt Paving Technologists, he served as president in 1945 and 1946. A member of the American Society for Testing and Materials, he contributed a great deal to the work of its various committees.
After his retirement from Shell, Mr. Endersby continued his work with asphalt, as Material Testing Engineer of Contra Costa County, California. In 1956, he became a consultant in the asphalt field.