15. Hetty Green: The “Witch of Wall Street”
Hetty Green is best known for her shrewd and sometimes ruthless dealings on Wall Street, but she was also a major investor in Western mining ventures. Her sharp financial instincts helped her amass a vast fortune, earning her the notorious nickname “The Witch of Wall Street.” Green’s influence stretched from New York finance to the mineral riches of the West. Read her fascinating profile at Investopedia.



