American Prometheus

by Kai Bird

As for Truman, a man who compensated for his insecurities with calculated displays of decisiveness, Oppenheimer seemed maddeningly tentative, obscure—and cheerless. Finally, sensing that the president was not comprehending the deadly urgency of his message, Oppenheimer nervously wrung his hands and uttered another of those regrettable remarks that he characteristically made under pressure. “Mr. President,” he said quietly, “I feel I have blood on my hands.” The comment angered Truman. He later informed David Lilienthal, “I told him the blood was on my hands—to let me worry about that.” But over the years, Truman embellished the story. By one account, he replied, “Never mind, it’ll all come out in the wash.” In yet another version, he pulled his handkerchief from his breast pocket and offered it to Oppenheimer, saying, “Well, here, would you like to wipe your hands?”