In Hitler's Scientists, British historian John Cornwell explores German scientific genius in the first half of the twentieth century and shows how Germany's early lead in the new physics led to the discovery of atomic fission, which in turn led the way to the atom bomb, and how the ideas of Darwinism were hijacked to create the lethal doctrine of racial cleansing.

Max Planck is credited with being the father of quantum theory, and his work was described by his close friend Albert Einstein as "the basis of all twentieth-century physics." But Planck's story is not well known, especially in the United States. A German physicist working during the first half of the twentieth century, his library, personal journals, notebooks, and letters were all destroyed with his home in World War II. What remains, other than...