Dr. Sam J. Schaller is a retired physician, medical researcher, pilot, ordained minister, environmental chemist and world traveler. But first and foremost Doc Schaller is a student of life with an ...ver maisDr. Sam J. Schaller is a retired physician, medical researcher, pilot, ordained minister, environmental chemist and world traveler. But first and foremost Doc Schaller is a student of life with an unquenchable thirst to know and understand. Sam currently lives in one of the countries mentioned in the Rational Fear series and can be contacted at docschaller@yahoo.comver menos