The reference book contains brief information about the life and scientific activities of about a thousand two hundred physicists of the past and present who contributed to the development of physical science. A bibliography is given, including monographs, selected works of physicists, their scientific biographies, anniversary and memorial articles. The handbook contains about a thousand portraits, many of which are rare and published for the first time. The book also contains a chronology of physics, a list of Nobel Prize winners in physics and other materials.