The Los Alamos primer

by R. Serber

"In April 1943, at a new secret laboratory on a mesa in the high New Mexican desert, a crowd of the most brilliant young scientists in America heard five stunning lectures that summed up everything the world knew about how to build an atomic bomb." "The lecturer was Robert Serber, a theoretical physicist and protege of J. Robert Oppenheimer; the laboratory was Los Alamos. Serber's lectures, assembled in note form and mimeographed, became the legendary LA-1, the Los Alamos Primer, the first document passed out to new recruits to the wartime enterprise, classified Secret Limited for twenty years after the Second World War and published here for the first time. Now contemporary readers can see just how much was known and how much remained to be learned when the Manhattan Project began. Would the "gadget," the atomic bomb, really work? How powerful would it be? Could it be made small enough and light enough to carry in a bomber? Could its explosive nuclear reaction be controlled?" "Working