A woman of intelligence and energy, Lou Henry Hoover's talents benefited a large number of cultural and philanthropic organizations, but her distaste for publicity obscured her many achievements until now. By the time her husband reached the White House in 1929, she had already established herself as a woman with high goals. The first woman to earn a university degree in geology, she collaborated with her husband in the translation of a classic book on mining methods. During World War I, she organized assistance for American travelers stranded in Europe, campaigned on behalf of the...