sentences:  These included Ralph Chamberlin, biologist, his brother William Chamberlin, philosopher, and brothers Joseph and Henry Peterson, who taught psychology and education, respectively.This was an unprecedented step for the school, as Cluff had previously been the most educated member of the staff, with a master's degree earned while he was in office.Brimhall, like many of the presidents before him, believed in delegation, and distributed many of his duties among the new faculty.