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.
Charles Fessenden Morse
Charles Fessenden Morse (September 22, 1839 – December 11, 1926) was a Lieutenant Colonel in the Union Army during the American Civil War and, afterward, an influential businessman and civic leader in Kansas City, Missouri.