International financier who became known for selling investments in United States mutual funds with his company, Investors Overseas Services.
He earned his Master's from the School of Social Work at Columbia University and became a social worker before switching his focus to finance.
He was arrested and charged with fraud in 1973 but was eventually acquitted.
He got married in 1976 and had one daughter, Jessica Cornfeld.
His mansion was used as the home of John Norman Howard, played by Kris Kristofferson, in the 1976 film A Star is Born.