Martin Cipollini compares and contrasts leaves of the American chestnut tree, left, and the Chinese chestnut tree, at Berry College's mountain campus in Rome, Ga. Cipollini, professor of biology at Berry College, has been working in partnership with the Georgia Chapter of the American Chestnut Foundation throughout the years to restore the American chestnut tree, which was nearly wiped out in the 1950s by blight in southeastern forests.