Nicholas Thompson says he was often taken aback by what he learned about his grandfather.

After all, Mr. Thompson is Nitze's grandson, and he had access to all of his grandfather's personal papers and letters, as well as to his family, his closest friends, even to his opponents, the old Soviet warriors who sat opposite him at the negotiating table.

"I did about 150 interviews," for the book "The Hawk and The Dove," Mr. Thompson said, and many of them "would not have talked to me if I wasn't Paul Nitze's grandson." ... Orginal Article