Professor John D. Letcher with calculus class. John D. Letcher was Acting President of Oregon Agricultural College in 1892. Letcher was a professor of Mathematics, Engineering, and Military Science and Tactics from 1888-1894.
The woman pictured third from right is Ruth Nomura. Ruth Nomura, born in Portland in 1907, was one of the first Japanese Americans to be born in Oregon. She was also the first Nisei woman from Portland to attend Oregon State Agricultural College. Enrolling in 1926, Nomura graduated in 1930 with a B.S. in Home Economics.
Born in Portland, Oregon, in August of 1887, Samuel H. Graf entered the Oregon Agricultural College in 1903 to study engineering. He received five engineering degrees from the college - B.S., Electrical Engineering (1907); E.E., Electrical Engineering (1908); B.S., Mechanical Engineering (1908); M.E., Mechanical Engineering (1909); and M.S., Electrical Engineering (1909). Between 1909 and 1954 Graf held several faculty positions in engineering at Oregon State. From 1909-1912 he was an instructor in mechanical engineering; from 1912-1920 he was the head of experimental engineering; head of the Department of Mechanics and Materials (1920-1934) and of the Department of Mechanical Engineering (1934-1954); director of engineering research (1928-1944); and director of the Engineering Experiment Station (1944-1954).