The great minds of the past are still with us today, in many ways. Individuals who explored the natural world hundreds of years ago have given us a treasure of knowledge in all the sciences. In this exciting series from educator/author John Hudson Tiner, short biographies of the world's most gifted thinkers will inspire the leaders of tomorrow. Learn how Pythagoras investigated mathematics through his affinity for music. Marvel at the "new math" Leonardo Fibonacci learned from the Moors in North Africa. These valuable learning guides will give students accurate accounts of lives from the annals of science, and explain what those scientists believed about the world around them.