Gerard I. Nierenberg, a lawyer whose frustration with the adversarial nature of legal disputes led him to develop methods of negotiating that he promoted in training seminars and popular books, including “The Art of Negotiating” and “How to Read a Person Like a Book,” died September 2012 in Manhattan. He was 89 and father to sons Roy, Wheatley '63, Roger, '65, and George, '70.

Gerard I. Nierenberg, 89, Expert in Negotiation -

Posted October 2, 2012