With a card-player's instincts, Cayne avoided risky bets and throwing good money after bad.
She was founding president of E.G. Bowman, which billed itself as the largest Black- and woman-owned U.S. insurance broker.
David Komansky, a college dropout who joined Merrill Lynch as a stockbroker, expanded the firm globally.
Madoff hid his historic scam from regulators for decades, until it was revealed amid the wreckage of the 2008 fiscal crisis.
The actor helped give birth to a manufactured holiday now observed in homes across the U.S.
Volcker held strong beliefs about the dangers of inflation and the virtues of frugality.
Pickens earned much of his wealth in the energy futures market after turning 75.
H. Ross Perot twice ran for the presidency as a highly popular third-party candidate.
The celebrity CEO anticipated changing consumer tastes and helped produce the Ford Mustang and Chrysler minivan.
She turned public companies’ annual meetings into stages for a theatrical, confrontational and self-promoting version of shareholder activism.