George Alfred Olson

Fred DeForest Heald, State College of Washington. Agricultural Experiment Station, Henry F. Holtz, Joseph Stuart Caldwell, George Alfred Olson, C. C. Thom, Charles Alden Magoon, Gerhard H. Jensen, B. F. Dana, D. C. George

M. A. Yothers, Axel Leonard Melander, State College of Washington. Agricultural Experiment Station, Henry F. Holtz, George Alfred Olson, Edward Franklin Gaines, Edwin George Schafer, Sophia Eckerson, State College of Washington. Adams Branch Experiment Station, William Hislop, Carroll Evan Howell

George Alfred Olson

Harry Baker Humphrey, State College of Washington. Agricultural Experiment Station, George Alfred Olson, J. W. Kalkus, Rolla Kent Beattie, Roscoe Wilfred Thatcher, Sofus Bertelsen Nelson