Outstanding contributors to mathematics are profiled in reproducible one-page biographies and line-drawn portraits. The first book in this three-part series, Mathematicians, Book I, highlights the mathematicians from 624 B.C. to 1642 A.D., such as Pythagoras, Plato, Aristotle, Fibonacci, Galileo, and Euclid, and their mathematical findings. In Mathematicians, Book II, mathematicians from 1571 to 1855, such as Descartes, Pascal, Gregory, Newton, Bernoulli, Leibnez, and Euler, teach students about the fascinating mathematical revelations from the 16th to 19th centuries. Woman Mathematicians highlights the lives and work of female mathematicians from Hypatia, Agnesi, Germain, and Somerville to Lovelace, Kovalevskaya, Scott, Young, and many more