Mathematician, codebreaker, computer scientist, philosopher, and biologist--Alan Turning was all of these. Yet the extraordinary feats stand in sharp contrast to the shy, hesitant person who accomplished them. His untimely death in 1954 went largely unnoticed around the world. Only later would Alan Turning's groundbreaking contributions to math and science be fully appreciated.

A brief biography of the famed French mathematician Pierre de Fermat. Although Fermat never sought fame or recognition for his work, he was unable to avoid controversy, and found himself embroiled in a bitter dispute with Rene Descartes, the famed philosopher.

Describes the life of the French mathematician Sophie Germain, and focuses on her accomplishments, which include her contributions to number theory and work with vibrating surfaces.