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
Fessenden married Ellen M. Deering, on April 23, 1832. He had three sons, who served in the American Civil War: Samuel Fessenden, who was killed at the Second Battle of Bull Run, and the Brigadier-General James D. Fessenden, and the Major-General Francis Fessenden, the latter of whom wrote a two-volume biography of his father, which was published in 1907, and William Howard Fessenden.