 In 1909, while working long hours on his definitive book on gear cutting machinery, his energy gave out and he suffered a “ nervous breakdown. ” He had to take time off to recover. In 1910, he accepted a job offer to work in a machine tool company in Vermont. He continued to write on technical and other matters throughout his life and would develop a broader philosophy of the role of industry in society. In 1938, he received a Worcester Reed Warner Medal in recognition for his technical writing.
