Edwin F. Ladd
 Edwin Fremont Ladd (December 13 1859 – June 22 1925) was a United States Senator from North Dakota. Born in Starks Maine he attended the public schools and Somerset Academy (Athens Maine) and graduated from the University of Maine at Orono in 1884. He was a chemist of the New York State Experiment Station in Geneva New York from 1884 to 1890 and dean of the school of chemistry and pharmacy and professor of chemistry at the North Dakota Agricultural College Fargo North Dakota.