In what year was the college where Ole Edvart Rølvaag was a professor founded?
O. E. Rolvaag House: The O. E. Rølvaag House was the home of Ole Edvart Rølvaag (1876-1931), Norwegian-American novelist and professor at St. Olaf College. St. Olaf College:  It was founded in 1874 by a group of Norwegian-American immigrant pastors and farmers, led by Pastor Bernt Julius Muus.
i don't know