Standard Oil larger company. Its successors such as ExxonMobil or Chevron are still among the companies with the largest income worldwide. By 1882, his top aide was John Dustin Archbold. After 1896, Rockefeller disengaged from business to concentrate on his philanthropy, leaving Archbold in control. Other notable Standard Oil principals include Henry Flagler, developer of the Florida East Coast Railway and resort cities, and Henry H. Rogers, who built the Virginian Railway. Standard Oil's pre-history began in 1863 as an Ohio partnership formed by industrialist John D. Rockefeller, his brother William Rockefeller, Henry Flagler, chemist Samuel Andrews, silent partner Stephen V. Harkness,
Standard Oil York State Legislature in 1879 to investigate the railroads' practice of giving rebates within the state. Merchants without ties to the oil industry had pressed for the hearings. Prior to the committee's investigation, few knew of the size of Standard Oil's control and influence on seemingly unaffiliated oil refineries and pipelines - Hawke (1980) cites that only a dozen or so within Standard Oil knew the extent of company operations. The committee counsel, Simon Sterne, questioned representatives from the Erie Railroad and the New York Central Railroad and discovered that at least half of their long-haul traffic granted rebates, and