Caption:
Bill Penney, rated the best atomic mathematician in the world, checks over his 10-year-old son Christopher's first steps in algebra. On right, 14-year-old Martin Penney.Rated the best atomic mathematician in the world, Dr. Penney checks over his 10-year-old son Christopher's first steps into the frustrations of algebra. The other boy is Martin, aged 14. July 2, 1952. (Photo by Tom Blau, Camera Press Ltd.).