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.
Axel Olof Freudenthal
Freudenthal was appointed a docent in 1866 in Old Norse language and wrote his doctoral thesis on the dialect of Närpes in 1878. He was a Professor of Swedish language and literature between 1878-1904. He died in Helsinki. 
His life's work was documented by Arvid Mörne in the book "Axel Olof Freudenthal och den finlandssvenska nationalitetstanken" (1927).