Bibliography: Herringshaw, Thomas William. Herringshaw's Encyclopedia of American Biography of the Nineteenth Century, Chicago, IL:American Publishers' Association, 1902. page 70 BAKER, ROBERT HALL, manufacturer, was born June 27, 1839, in Lake Geneva, Wis. Through an acquaintance with the late Jerome I. Case, manufacturer of threshing machines, Mr. Baker was finally induced to become a partner in Mr. Case's firm, and he remained successfully engaged in that business until death. He was state senator of Wisconsin in 1872-76, and mayor of Racine in 1874