Who was john Rockefeller gilded age?

John D. Rockefeller was a prominent American industrialist and philanthropist during the Gilded Age, best known for founding the Standard Oil Company in 1870. He revolutionized the petroleum industry and defined the structure of modern philanthropy, amassing significant wealth and influence. His business practices, including aggressive competition and monopolistic tactics, sparked widespread criticism and led to antitrust regulations. Rockefeller's legacy is marked by both his immense contributions to the economy and the controversies surrounding his business methods.