Albert Paul Weiss (September 15, 1879 – April 3, 1931) was a German American behavioral psychologist, theorist, scientist, and experimentalist. He was born in Steingrund, Germany. His family moved to the United States shortly after his birth and lived in St. Louis, MO. He was raised in a household of scholarly and philosophical interests although neither of his parents were highly educated. He attended University of Missouri for both undergraduate and graduate school and eventually earned his PhD there in 1916. Weiss initially planned on majoring in physics, mathematics, and philosophy until he was inspired by his professor Max Meyer to become a psychologist. After earning his PhD, he went to Ohio State University where he did research and taught up until his death. While in school, Weiss