when one of Harvard’s researchers interviewed Leo in middle age, she wrote, “I came away from our visit with the impression that the subject was, well… somewhat ordinary.” However, by his own accounting of things, Leo lived a rich and satisfying life. He wouldn’t show up on the evening news and his name was not known beyond his local community, but he had four daughters and a wife who adored him, was remembered fondly by friends, colleagues, and students, and throughout his life rated himself as “very happy” or “extremely happy” on study questionnaires. Unlike John, Leo found his work
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