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 was born in Boscawen, New Hampshire, on October 16, 1806. His father was attorney and legislator Samuel Fessenden. His mother was Ruth Greene. The parents were unmarried. William was separated from his mother at his birth, and he was raised by his paternal grandmother for seven years.