Arvid Reuterdahl (1876-1933) was a scientist, engineer and educator. He taught engineering at Spokane College, Kansas City Polytechnic Institute and was the first Dean of the Department of Engineering and Architecture at the College of St. Thomas, St. Paul, MN. He theorized about the velocity of light, relativity and developed a world alphabet. Reuterdahl was an outspoken opponent of Albert Einstein’s right to authorship of the theory of relativity. He contributed many articles, lectures and sermons as well as several monographs on the relationship between science, philosophy and religion. This collection features a selection of materials from the papers of Arvid Reuterdahl held in the University of St. Thomas Archives. For the the complete finding aid to this collection see: http://archon.stthomas.edu/?p=collections/findingaid&id=62&q= .