Isaac Newton

Kathleen Krull’s biographies for young readers have received accolades from publications such as Publishers Weekly and School Library Journal, and here she profiles Sir Isaac Newton—the father of calculus and the man who pioneered studies of gravity

What was Isaac Newton like? Secretive, vindictive, withdrawn, obsessive, and, oh, yes, brilliant. His imagination was so large that, just “by thinking on it,” he invented calculus and figured out the scientific explanation of gravity. Yet Newton ...