The document discusses captains of industry during the Gilded Age, noting that there was exponential economic growth during this period which allowed entrepreneurs to thrive. Some major businessmen from this era like John D. Rockefeller, Andrew Carnegie, and Henry Ford are mentioned as examples of captains of industry who helped the economy in some way through their businesses, though others were seen more as robber barons. The Gilded Age saw the rise of many big businessmen, some who used their wealth positively and others who did not.