Biography of Edgar S. Knowles
Edgar S. Knowles, born February 24, 1861, near Riga, Monroe County, New York, was a prominent fire insurance underwriter in Sioux Falls, South Dakota. Son of James P. and Cornelia L. (Harmon) Knowles, he moved to Illinois in 1878, graduating from Danville High School in 1881. In 1882, Knowles relocated to Sioux Falls, engaging in various businesses before co-founding the insurance firm Morcom & Knowles in 1896. A committed Republican and active Mason, Knowles married May L. Davis in 1891, with whom he had two daughters, Helen D. (b. 1899) and Alice M. (b. 1901).