German-Jewish scientists, who had escaped from Hitler's Germany.

In 1939, an American university professor named Albert Einstein wrote a letter to President Franklin D. Roosevelt, in which he outlined the possibility of using a

nuclear chain reaction for a bomb. After reading the letter, Roosevelt began the Manhattan Project in 1943. Only a few people knew of the project, which was

headed by J. Robert Oppenheimer, an atomic scientist from Germany.

On August 6th and 9th of 1945, American planes dropped one atomic bomb each on Hiroshima and Nagasaki, Japan. The first bomb destroyed 80 percent

of Hiroshima's buildings and killed about 80,000 people. The second bomb killed

about 35,000 people. Japan surrendered to America after Nagasaki, but the

people of Japan suffered failing health and horrible deaths for years afterward

out in the autumn of 1938 at the Kaiser Wilhelm Institute in

impurities. To create this chain reaction and turn it into a usable

why the war needed to be stopped; thus, justifying the use of the

was on. Major General Wilhelm D. Styer called the Manhattan Project

mathematician John von Neumann devised the theory of "implosion." A

Due to its long and narrow shape, the Hiroshima model was called "Thin

fast enough so that a test would cause little delay in time. They

lived (Wood 4). There were serious issues of security of documents,

Some common words found in the essay are:
War II, Sometimes Japanese, President Truman, Manhattan Project, Los Alamos, Secondly Americans, United United, Leslie Groves, Bataan Nanking, Hiroshima A-bomb, atomic bomb, manhattan project, world war, los alamos, world war ii, president truman, war ii, war continued, bomb dropped, chain reaction, war stopped, august 6 1945, drop atomic bomb, stop war war, 1945 atomic bomb,
Approximate Word count = 17262
Approximate Pages = 69 (250 words per page double spaced)