This book contains the proceedings of the Gregory Breit Centennial Symposium. The legacy of Breit to atomic, nuclear and particle physics is discussed vis- -vis

Paul Adrian Maurice Dirac (1902-84) is one of the icons of modern physics. His work provided the mathematical foundations of quantum mechanics. He also made key

A recollection of life in the workshops where nuclear bomb components were constructed during the Manhattan Project.

This book traces the evolution of Atomic Physics from precision spectroscopy to the manipulation of atoms at a billionth of a degree above absolute zero. Quantu

The exchange between physics and metrology is always fascinating and exciting. Many are the open problems in physics that call for extremely precise standards,