He co-founded D.L.J., the first securities firm to offer shares to the public. As S.E.C. chairman, he pressed for a stronger watchdog role after a series of accounting scandals. Donaldson, William H, Deaths (Obituaries), Securities and Exchange Commission, New York Stock Exchange, Regulation and Deregulation of Industry, Aetna Inc, Harvard Business School, State Department, Enron Corp, Yale University, Donaldson, Lufkin & Jenrette He co-founded D.L.J., the first securities firm to offer shares to the public. As S.E.C. chairman, he pressed for a stronger watchdog role after a series of accounting scandals. NYT > Business