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.
T. A. D. Fessenden
Thomas Amory Deblois Fessenden (January 23, 1826 – September 28, 1868) was a U.S. Representative from Maine, the son of abolitionist legislator Samuel Fessenden, and brother of Treasury Secretary William P. Fessenden and congressman Samuel C. Fessenden. He was an uncle of Union Army generals Francis Fessenden and James D. Fessenden.