In 1990, Howard Friedman and Leslie Martin, two psychologists at the University of California, Riverside, embarked on a research project within a research project, seeking answers to the question, 'What makes for a long life?'— Katie Hafner
In 1990, Howard Friedman and Leslie Martin, two psychologists at the University of California, Riverside, embarked on a research project within a research project, seeking answers to the question, 'What makes for a long life?'