he and Rogers) became part of John D. Rockefeller's Standard Oil in 1874. After joining Standard Oil, Rogers invested heavily in various industries, including copper, steel, mining, and railways. The Virginian Railway is widely considered his final life's achievement. Rogers amassed a great fortune, estimated at over $100 million, and became one of the wealthiest men in the United States. He was also a generous philanthropist, providing many public works for his hometown of Fairhaven and financially assisting such notables as Mark Twain, Helen Keller, and Booker T. Washington. Pennsylvania oil heritage Near McClintocksville and Oil City, in western Pennsylvania, Oil Creek State Park and many heritage sites to tell the story and memorialize the people of the oil boom of the late 19th and early 20th centuries. Further reading Elbert Hubbard, 1909, Little Journeys to the Homes Tarbell, Ida M. The History of Standard Oil Klepper, Michael (with Robert Gunther as contributor)The Wealthy 100: From Benjamin Franklin to Bill Gates – A Ranking of the Richest Americans, Past and Present Seacaucus, New Jersey: Carol Publishing Group, 1996. External links Millicent Library, Fairhaven MA, Henry Rogers homepage Mark Twain and Henry Huttleston Rogers in Virginia excerpts from their trips together to the 1907 Jamestown Exposition and the 1909 Dedication of the Virginian Railway Dr. Booker T. Washington papers – comments about Henry Rogers Some Memories of Cara Leland Rogers Broughton the first Lady Fairhaven material researched and integrated by Mabel Hoyle Knipe Fairhaven, Massachusetts, March 1984 Olean Town history Venango County Pennsylvania Oil History Oil Well website Henry Rogers and Fairhaven website Defunct oil companies of the United States American companies established in 1861 Energy companies established in 1861 1867 disestablishments Oil refineries in the United States Venango County, Pennsylvania History of the petroleum industry in the United States Energy infrastructure in Pennsylvania 1861 establishments in Pennsylvania