The historical record crowns success. Those enshrined in its annals are men and women whose ideas, accomplishments, or personalities have dominated, endured, and most important of all, found champions. John F. Kennedy's Profiles in Courage, Giorgio Vasari's Lives of the Artists, and Samuel Johnson's Lives of the Poets are classic celebrations of the greatest, the brightest, the eternally constellated.

Paul Collins' Banvard's Folly is a different kind of book. Here are thirteen unforgettable portraits of forgotten people: men and women who might have...