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.
P. R. Stephensen
Percy Reginald Stephensen (20 November 1901 – 28 May 1965) was an Australian writer, publisher and political activist, first aligned with communism and later shifting support towards far-right politics. He is most notable for being the author of "The Foundations of Culture in Australia" and for being the co-founder of the fascist Australia First Movement, alongside businessman William Miles.