Full Name: John D. Rockefeller | Profession: Industrialist, Financier, and Philanthropist | Nationality: American | Born: January 23, 1839 | Birthplace: Richford, New York, United States | Generation: Victorian Era | Chinese Zodiac: Earth Pig | Zodiac Sign: Aquarius | Age in 2026: 187 (deceased) | Marital Status: Married to Laura Celestia “Cettie” Spelman | Children: 5 | Description: John D. Rockefeller was the most powerful and influential businessman in modern history and is widely regarded as the richest individual the world has ever known, whose creation of Standard Oil revolutionized the global energy industry and transformed the structure of modern capitalism, as he pioneered large-scale corporate organization, vertical integration, and strategic pricing methods that reshaped how industries operate, allowing oil to become affordable and widely accessible, thereby fueling the industrialization of the United States and the rise of the modern global economy, and beyond his unparalleled wealth he became one of history’s greatest philanthropists, donating the majority of his fortune to education, medicine, and scientific research, founding institutions such as the University of Chicago and the Rockefeller Foundation, which have saved millions of lives through advances in public health, vaccines, and medical research, while his disciplined personal habits, strong religious values, and belief in stewardship shaped a philosophy of giving that continues to define modern philanthropy, making his legacy not merely one of immense wealth but of enduring global humanitarian impact; Cause of Death: Arteriosclerosis on May 23, 1937.