Left to Right: E. E. Grimm, Prof. of Ag; Mrs. Ida Callahan, Assist. in Prep; B. L. Arnold, President; B. J. Hawthorn, Professor of Languages, Dr. Joseph Emery, Prof. of Math and Natural Sciences; W. W. Briston. Benjamin L. Arnold served as the President of Oregon Agricultural College from 1872-1892. Arnold constructed a curriculum structure, dividing studies into two departments, Literary and Scientific. Each department contained specific corresponding schools.