Jimmy Carter redefined what a president can do after departing the White House, leaving a lasting imprint through his work overseas, particularly in the realm of public health.
In his decades as a former president, he and his wife, Rosalynn Carter, helped bring lifesaving treatments and sanitation to poor people around the world.
Rising from Georgia farmland to the White House, he oversaw the historic Camp David peace accords, but his one-term presidency was waylaid by troubles at home and abroad.