Jacob D. Cox, Sr.
Jacob D. Cox, Sr. was born in Warren, Ohio, to Jacob Dolson Cox and Helen Finney Cox. His father, a lawyer, was the 22nd governor of Ohio (1865-67) and Secretary of the Interior under President Grant.
Educated in public schools, at 17 Cox began learning the iron business, working at the Cleveland Iron Co. and the Cuyahoga Steam Furnace Co.
In June 1876, he became a partner in a twist drill manufacturing concern in Dunkirk, NY, which moved to Cleveland a few months later; in 1880 the firm became Cox and Prentiss. Although he retired from the business in 1905, Cox succeeded partner Francis Fleury Prentiss as president of the company, by that time already called Cleveland Twist Drill Co.
Jacob D. Cox, Sr. married Ellen Atwood Cox, nee: Ellen Atwood Prentiss, in 1878 in Cleveland. The couple lived on Euclid Aveune with their 3 children, Jeannette P. Cox, Samuel H. Cox, and Jacob D. Cox, Jr.. Cox served on the boards of directors of the Cleveland Trust Co., see: AMERITRUST, and the Cleveland & Pittsburgh Railroad Company. He was a trustee of Case School of Applied Sciences (1898-1918), see: Case Western Reserve University, and was among the original members of the Chamber of Commerce. Cox enjoyed yachting, photography, and travel. He died at his winter home in Pasadena, CA, and is buried in Lake View Cemetery.