Final answer:
John D Rockefeller is the "Captain of Industry" most associated with oil.
Step-by-step explanation:
The "Captain of Industry" most associated with oil is John D Rockefeller. He was an American business magnate and philanthropist who founded the Standard Oil Company. Rockefeller's dominance in the oil industry was unmatched, as he controlled nearly 90% of the oil refining capacity in the United States at one point. His innovations and strategies revolutionized the industry.
Learn more about John D Rockefeller and the oil industry