From Margaret Mead and Zora Neale Hurston to Lionel Trilling and Lou Gehrig, Columbia University has been home to some of the most important historians, scientists, critics, artists, physicians, and social scientists of the twentieth century. (It can also boast a hall-of-fame athlete.) In Living Legacies at Columbia, contributors with close personal ties to their subjects capture Columbia's rich intellectual history. Essays span the birth...