This book presents a history of the design, construction, and operation of the United States’ top-secret plutonium manufacturing project in Hanford, Washington during World War II. Using over 50 personal recollections and first-hand accounts, the author conveys the role that Hanford played in the success of the Manhattan Project. The book also helps to document emotions and opinions concerning the atomic bomb and the war among many participants, from top scientists to construction workers. In addition, two guest experts comment on Hanford’s evolution and development since 1945.