Reginald Fessenden
Reginald Aubrey Fessenden (October 6, 1866 – July 22, 1932) was a Canadian-born inventor, who did a majority of his work in the United States and also claimed U.S. citizenship through his American-born father. During his life he received hundreds of patents in various fields, most notably ones related to radio and sonar.
Francis Fessenden
In July 1863, his term of enlistment in the volunteer Union army expired and he reverted to his rank of captain of the 19th U.S. Infantry in the Regular Army. In September, Fessenden was appointed as the colonel of the 30th Maine Veteran Infantry.