title: Reginald Fessenden
context: 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.[1] During his life he received hundreds of patents in various fields, most notably ones related to radio and sonar.
question: How long did Reginald Aubrey Fessenden live?
answers: October 6, 1866 – July 22, 1932