A schoolteacher, or simply a teacher, is a person who helps others acquire knowledge.
Clara Clayton was a schoolteacher in New Jersey before she accepted a job as a schoolteacher in Hill Valley in 1885.
Emmett Brown taught at the California Institute of Technology, from where he was hired on the Manhattan Project.
Stanford S. Strickland was a teacher at Hill Valley Elementary School in 1946. By 1955, Mr. Strickland was the principal of Hill Valley High School, and still held that position in 1985.
Dexter Gore and Deborah Chambers taught at Hill Valley High School in 1955, and Mr. Arky was a social studies teacher there in 1985.