Often the things that he accomplished (starting the Peace Corps in just a few months, or getting 500,000 kids into Head Start programs its first summer when the "experts" said that 10,000 kids was the maximum feasible) were things that everyone beforehand had said were not realistic, or downright impossible. Shriver had a gift for what one of his old War on Poverty colleagues called "expanding the Horizons of the Possible."
These photos of Shriver with his family show how he translated that compassion and joy to his private life:
View more photos at LIFE.com.
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