Dr. Egon Spengler, Ph.D. is a former professor of paranormal studies at the Columbia University. Upon his termination, Egon founded Ghostbusters, Inc. along with Doctors Ray Stantz and Peter Venkman. He is considered the brain behind the Ghostbusters and has designed and built nearly all of their equipment, including the Proton Pack and the Storage facility. Typically, Ray is the only other member of the Ghostbusters who has no trouble understanding Egon's technical jargon.