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.
Samuel Fessenden
Two grandsons became generals in the Union Army during the American Civil War: Francis Fessenden and James D. Fessenden. A third grandson, Samuel Fessenden (6 January 1841 Portland, Maine - 1 September 1862 Centreville, Virginia), was mortally wounded at the Second Battle of Manassas. He had graduated from Bowdoin College in 1861. He began to study law, but soon entered the military service as 2d lieutenant in the 2d Maine battery, 30 November 1861. He was promoted to 1st lieutenant on 3 June 1862 and was aide to Gen. Zebulon B. Tower in July 1862.