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.
William P. Fessenden
William Pitt Fessenden (October 16, 1806September 8, 1869) was an American politician from the U.S. state of Maine. Fessenden was a Whig (later a Republican) and member of the Fessenden political family. He served in the United States House of Representatives and Senate before becoming Secretary of the Treasury under President Abraham Lincoln during the American Civil War.