Mary Lou Ricker Mall contributed information and original materials about her grandfather Leroy Allen Halbert. Currently Mary’s home is the repository for much of the original writing of Rev. Leroy Allen Halbert. Her grandfather was the inspiration for her interest in a career in the helping professions. Mary has degrees in Early Childhood Education and Special Education from the University of Maryland. She taught Special Education for 31 years for Montgomery County Public Schools, MD. Much of her work was with autistic children and children with other emotional and developmental difficulties.