Ty Cobb slides into third in a flurry of dust and spikes. Home Run Baker, young and strong, takes batting practice while his teammates stand in awe. Wee Willie Keeler and Cy Young, Babe Ruth and Dizzy Dean, Joe DiMaggio and Ted Williams--these and other American heroes take the field in Baseball's Golden Age: The Photographs of Charles M. Conlon . From 1904 to 1942, Conlon photographed it all, creating some of baseball's most famous photographs, but...