Part of the stimulation used in January 1975 to bring the environment to these two “delayed” infants involved different sized rubber balls. Here, teacher-coordinator Judy Stahlman, right, shows 2-year-old Jennifer Brothers how to toss the ball to 4-year-old Michael Biffaretti. Jennifer is sitting with her mother, Mrs. Sue Brothers, while Michael is content with John Bales, the program’s physical therapist. In the center is Joanne Miller, a student intern from Butler County Community College.