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
Francis Fessenden (March 18, 1839 – January 2, 1906) was a lawyer, politician, and soldier from the state of Maine who served as a general in the Union Army during the American Civil War. He was a member of the powerful Fessenden family, which was prominent in national politics during the mid-19th century.