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.
Olaf Frydenlund
Olaf Emil Frydenlund (June 16, 1862 in Tune, Østfold – April 8, 1947) was a Norwegian rifle shooter who competed in the early 20th century in rifle shooting. He participated in Shooting at the 1900 Summer Olympics in Paris and won the silver medal with the Norwegian Military Rifle team.