Mr. Chapman was a history explorer. He traveled to Tom Riley's farm and was staying at Timothy Riley's cabin. During the time he stayed he helped repair the cabin as well as teaching Marsha about history. He was responsible for finding proof that Johnny Appleseed had both stayed in Timmy's cabin and planted the trees in Tom's orchid. Afterwards Chapman left and Marsha found out that Johnny Appleseed's birth name was John Chapman, hinting that Mr. Chapman was possibly either an angel or a ghost.