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This quiz consists of 5 multiple choice and 5 short answer questions through "On the Cliff" – "High Concentration".

Multiple Choice Questions

1. On what date was Albert Einstein's letter to the U.S. President warning of Germany's development of an atomic bomb delivered?
(a) November 1, 1939.
(b) September 1, 1939.
(c) October 11, 1939.
(d) April 22, 1938.

2. Where was Richard Feynman studying when he joined the Los Alamos project?
(a) Princeton University.
(b) Harvard University.
(c) The University of Chicago.
(d) The University of California, Berkeley.

3. Who delivered Albert Einstein's letter regarding the potential development of a German atomic bomb to the President of the United States?
(a) Luis Alvarez.
(b) Alexander Sachs.
(c) Scott Miller.
(d) Robert Oppenheimer.

4. When did Adolf Hitler launch a four-million man invasion across the Soviet border, despite his agreements not to do so?
(a) April, 1940.
(b) June, 1941.
(c) May, 1939.
(d) July, 1940.

5. Who was the Secretary of War that wrote to the school director of the Los Alamos Ranch School to inform him of its acquirement for military purposes?
(a) Henry Stimson.
(b) George Eltenton.
(c) Scott Miller.
(d) John Wilson.

Short Answer Questions

1. Why did Winston Churchill and Franklin Roosevelt agree to combine their resources and work on atomic weapons in the United States?

2. Who was the U.S. President in July of 1939?

3. Who informed Colonel Leslie Groves that he was selected for an important assignment in developing the atomic bomb?

4. When did the Briggs Advisory Committee on Uranium hold its first meeting?

5. Who informed Robert Oppenheimer about the German chemists finding the uranium could be split, according to the author in "The U Business"?

(see the answer key)

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