Final answer:
J. Pierpont Morgan was the man who stood out even more than Andrew Carnegie when Carnegie Hall opened.
Step-by-step explanation:
When Carnegie Hall opened, Andrew Carnegie was treated with honor and respect, but one man stood out even more. That man was J. Pierpont Morgan. Andrew Carnegie became the leading steel producer in the world and later became a philanthropist, while J. Pierpont Morgan was born to wealth and became much wealthier as an investment banker. Morgan's financial firm made wise investment decisions in support of entrepreneurs like Carnegie, which contributed to their success.