Rasmus Bjørn Anderson arrived in the world on the 12th of January 1846. He grew up in Koshkoning within Dane County, Wisconsin.
Anderson served as a professor at the university from 1867 until 1883. During this period he became the founding head of the Department of Scandinavian Studies which stood as the oldest such department within any American university.
The United States appointed Anderson as Ambassador to Denmark between 1885 and 1889. His tenure ended when he returned to the U.S. in 1889.
Anderson published America Not Discovered by Columbus in 1874. He followed this with The Norse Discovery of America in 1907.
Anderson originated the movement to honor Leif Erikson with a holiday in the United States. Decades after Anderson's death it first became a federal observance by presidential proclamation in 1964.
Rasmus B. Anderson died in 1936. He spent his final years at their home in Madison before burial at Lake Ripley Cemetery.