The next years, at Shippensburg, PA, Williamson spent settling his fathers estate. 그 후 코네티컷에서 목회를 위한 훈련을 받은 그는 곧 장로교 목사 면허를 취득했지만 안수를 받지는 못했습니다. Around this time, he also took a position as professor of mathematics at his alma mater.