The famous person Dr. O.B. Harriman is associated with one of more of the Franklin County historic places.
Some of the country's most noteable architects helped create the Franklin County places including James Carn, Herman Wood, T. D. Allen, Edward Carl Keifer, Leander Reeve, Norse and Rasmussen Liebble, Ames Central Design Office, D.W. Dow, Einar Broaten and P.J. Pauly & Bros.. Prominent architectural styles found in Franklin Country are Italianate, Gothic and Late 19th And 20th Century Revivals.