GREAT GIFT FOR GIRLS Katherine Johnson has been called "the girl who loved to count". She said, "I counted everything... anything that could be counted, I did." She has become famous as one of the subjects of a bestselling book by Margot Lee Shetterly, called Hidden Figures. The book told about black women math experts who helped put men on the moon. It was made into a movie, also called Hidden Figures, with Taraji P. Henson playing Johnson. Before...