Portrait of Professor William Robertson, early horticulturist and superintendent of the Northwest Experiment Farm, Crookston, and developer of a school of agriculture for that part of Minnesota.
Portrait of Roger. S. Mackintosh, 14th President of the Minnesota State Horticultural Society 1918-1919. He was Extension Horticulturist, Market Gardening Instructor and Extension and Exhibit Specialist at the University of Minnesota and editor of the Minnesota Horticulturist.