Arthur H. Sapp was born in Ravenna, Ohio. Following his graduation from Ohio Wesleyan University, he taught school in Chattanooga, Tennessee; Kansas City, Missouri; and Huntington, Indiana. He received his legal education at the University of Chicago and at the Indiana Law School, and began practicing law in Huntington in 1912, and served as district prosecuting attorney for three terms.
Mr. Sapp became a member of the Rotary Club of Huntington in 1917 and was President of that Club. He had served Rotary International as President (in 1927-28), First Vice-President, Director, District Governor and as committee chairman. Mr. Sapp had been a Trustee of DePauw University and Evansville College, President and Director of the Huntington Y.M.C.A., Chairman of the State School Aid Commission, and member of the State Highway Commission. He also had been President of the Rural Bankers Legion Life Insurance Company of South Bend, Indiana.