Professor of Mathematics and Astronomy, 1880-1905
Andrew Woods Williamson was born January 31, 1838, in Lac qui Parle, Chippewa County, Minnesota. His father was a Presbyterian minister who worked as a missionary and physician to the Dakota Sioux Indians. In 1853, at the age of 15, Williamson enrolled at Knox College in Galesburg, Illinois. Four years later, in 1857, he graduated from Marietta College in Ohio. He then earned his master's degree in natural science from Yale University.