What is the history behind nuclear engineering? According to What is NuclearEngineering by Jim Lucas the nuclear age began in 1939, when two Germanphysicists, Otto Hahn, and Fritz Strassman, Split a uranium atom, Continuing theirresearch, Lise Meitner, an Austrian - born physicist who had fled to Sweden afterHitler’s invasion of her country, realized that the split had also released energy, in aletter signed by several scientists, including Albert Einstein, that Germany coulddevelop a powerful weapon, the United States launched the Manhattan Project, a top-secret endeavor to create an atomic bomb, after this successful effort, the countrydropped two atomic bombs on Japan in 1945.After the war, physicists explored peaceful uses of nuclear energy, The United Statesestablished several national laboratories, including Los Alamos, Oak Ridge, Lawrence