Albert Einstein and Max Born were great friends. Their letters span 40 years and two world wars. In them they argue about quantum theory, agree about Beethoven's heavenly violin and piano duets (that they played together when they met) and chat about their families. Equally important, the men commis[...]

At the time of its original publication this reissued 'classic' text, co-written by the Nobel Laureate of 1954, Max Born, represented the final account of the subject and in many ways it still does. The book is divided into four sections. The first of these is very general in nature and deals with t[...]