Front Cover.
Half Title Page.
Title Page.
Copyright Page.
Dedication.
Contents.
List of Entries.
List of Documents.
Introduction.
1: Advisory Committee on Uranium (S-1 Executive Committee).
2: Alamogordo Bombing and Gunnery Range (July 16, 1945).
3: Alsos Mission.
4: B-29 Raids against Japan (June 1944–August 1945).
5: Bockscar.
6: Briggs, Lyman (1874–1963).
7: Bush, Vannevar (1890–1974).
8: Byrnes, James Francis (1879–1972).
9: Churchill, Sir Winston L. S. (1874–1965).
10: Clinton Engineer Works.
11: Cockcroft, John (1897–1967).
12: Compton, Arthur Holly (1892–1962).
13: Conant, James Bryant (1893–1978).
14: Critical Mass.
15: Development of Substitute Materials.
16: Einstein, Albert (1879–1955).
17: Einstein-Szilárd Letter.
18: Electromagnetic Uranium Enrichment.
19: Enola Gay.
20: Fat Man.
21: Fermi, Enrico (1901–1954).
22: Fissile Material.
23: 509th Composite Group.
24: Frisch, Otto (1904–1979).
25: Frisch-Peierls Memorandum.
26: Gaseous Uranium Enrichment.
27: Groves, Leslie Richard (1896–1970).
28: Gun-Type Fission Weapon.
29: Hahn, Otto (1879–1968).
30: Hanford, Washington.
31: Hiroshima, Bombing of (August 6, 1945).
32: Implosion-Type Nuclear Weapon.
33: Interim Committee.
34: Laurence, William Leonard (1888–1977).
35: Lawrence, Ernest Orlando (1901–1958).
36: Little Boy.
37: Los Alamos Laboratory (Project Y).
38: MAUD Committee.
39: Meitner, Lise (1878–1968).
40: Metallurgical Laboratory.
41: Nagasaki, Bombing of (August 9, 1945).
42: National Bureau of Standards.
43: National Defense Research Committee.
44: Neumann, John von (1903–1957).
45: Nuclear Chain Reaction.
46: Nuclear Reactor.
47: Oak Ridge, Tennessee.
48: Office of Scientific Research and Development.
49: Oliphant, Mark (1901–2000).
50: Oppenheimer, Julius Robert (1904–1967).
51: Pacific Theater: World War II.
52: Pegram, George Braxton (1876–1958).
53: Peierls, Rudolf (1907–1995).
54: Plutonium.
55: Potsdam Conference (July 17–August 2, 1945).
56: Project Alberta.
57: Quebec Conference, 1st (August 14–24, 1943).
58: Roosevelt, Franklin D. (1882–1945).
59: Serber, Robert (1909–1997).
60: Stimson, Henry Lewis (1867–1950).
61: Strassmann, Fritz (1902–1980).
62: Sweeney, Charles (1919–2004).
63: Szilárd, Leó (1898–1964).
64: Teller, Edward (1908–2003).
65: Thermal Diffusion Uranium Enrichment.
66: Thin Man.
67: Tibbets, Paul (1915–2007).
68: Tinian Joint Chiefs.
69: Tizard Mission.
70: Transmutation of Uranium into Plutonium.
71: Trinity Test.
72: Truman, Harry (1894–1972).
73: Tube Alloys.
74: University of Chicago.
75: Uranium Enrichment.
76: Uranium-235.
77: U.S. Army Corps of Engineers.
78: Wendover Army Air Field.
79: Wigner, Eugene Paul (1902–1995).
80: World War II.
81: Primary Documents.
82: 1. Leó Szilárd’s Letter to Hugo Hirst, March 17, 1934.
83: 2. Leó Szilárd Letter to Lewis Strauss on Discoveries Relating to Fission of Uranium, January 25, 1939.
84: 3. Albert Einstein Letter to President Franklin Roosevelt, August 2, 1939 (Received October 11, 1939).
85: 4. President Franklin Roosevelt’s Response to Albert Einstein, October 19, 1939.
86: 5. The Frisch-Peierls Memorandum.
87: 6. Arthur Compton Report of the National Academy of Sciences Committee on Atomic Fission, May 17, 1941.
88: 7. MAUD Committee Report, July 1941.
89: 8. Vannevar Bush Letter to Franklin Roosevelt, March 9, 1942.
90: 9. J. Robert Oppenheimer Letter to James Conant on the Properties of Uranium, November 30, 1942.
91: 10. Leslie Groves and James Conant Letter to J. Robert Oppenheimer, February 25, 1943.
92: 11. Robert Serber’s “Los Alamos Primer” from Lectures Delivered in April 1943.
93: 12. J. Robert Oppenheimer Memorandum to Leslie Groves on Los Alamos, April 30, 1943.
94: 13. Harry Truman Telephone Conversation with Henry Stimson, June 17, 1943.
95: 14. Leslie Groves Letter to J. Robert Oppenheimer on Personal Safety, July 29, 1943.
96: 15. Quebec Agreement, August 19, 1943.
97: 16. J. Robert Oppenheimer Letter to Leslie Groves on Aliases, November 2, 1943.
98: 17. J. Robert Oppenheimer Memorandum on the Test of an Implosion Gadget, February 16, 1944.
99: 18. Niels Bohr’s Memorandum to President Roosevelt, July 1944.
100: 19. Franklin Roosevelt and Winston Churchill, “Aide Memoire,” September 18, 1944.
101: 20. Vannevar Bush and James Conant Memoranda to Henry Stimson, September 30, 1944.
102: 21. J. Robert Oppenheimer Letter to Leslie Groves, October 6, 1944.
103: 22. Albert Einstein’s Fourth Letter to President Franklin Roosevelt, March 25, 1945.
104: 23. Henry Stimson Letter to Harry Truman on the Manhattan Project, April 24, 1945.
105: 24. Memorandum to Leslie Groves on the Second Meeting of the Target Committee, May 12, 1945.
106: 25. Henry Stimson Memorandum to Harry Truman on the Campaign Against Japan, May 16, 1945.
107: 26. John McCloy’s Memorandum on Meeting with George Marshall and Henry Stimson Regarding Objectives toward Japan, May 29, 1945.
108: 27. James Franck, Report of the Committee on Political and Social Problems: Manhattan Project “Metallurgical Laboratory,” University of Chicago, June 11, 1945.
109: 28. Arthur Compton, Enrico Fermi, Ernest Lawrence, and J. Robert Oppenheimer, Report on the Use of the Atomic Bomb in Wartime, June 16, 1945.
110: 29. Undersecretary of the Navy Ralph Bard’s Memorandum to Secretary of War Henry Stimson, June 27, 1945.
111: 30. Office Diary of Leslie Groves on the Setting of the Test Date, July 2, 1945.
112: 31. Leó Szilárd’s Petition to Harry Truman.
113: 32. Norman Ramsey to J. Robert Oppenheimer, Memorandum on Dangers from Accidental Detonations, July 9, 1945.
114: 33. War Department Press Release on Trinity, “First Test Conducted in New Mexico,” July 16, 1945.
115: 34. Leslie Groves Memorandum to Henry Stimson on the July 16 Trinity Test, July 18, 1945.
116: 35. Stafford Warren Report to Leslie Groves on the July 16 Trinity Test, July 21, 1945.
117: 36. Harry Truman Diary Entry for July 25, 1945.
118: 37. Thomas Handy to Carl Spaatz Memorandum, July 25, 1945.
119: 38. Potsdam Declaration: Proclamation Defining Terms for Japanese Surrender Issued, at Potsdam, July 26, 1945.
120: 39. Leslie Groves Memorandum to the U.S. Army Chief of Staff from the Conclusions of the Trinity Test, July 30, 1945.
121: 40. Charge-Loading Checklist for Little Boy on the Enola Gay, August 1945.
122: 41. Memorandum from General Leslie Groves to U.S. Army Chief of Staff George Marshall, August 6, 1945.
123: 42. U.S. Government Press Releases on the Occasion of the Hiroshima Bombing and Public Recognition of the Manhattan Project, August 6, 1945.
124: 43. Leaflet Dropped on Japanese Cities, Possibly Starting Slightly Prior to the Nagasaki Bombing, August 9, 1945.
125: 44. Excerpt of Assistant Chief of Staff Summary of Activities, August 9, 1945.
126: 45. Harry Truman Radio Report, August 9, 1945.
127: 46. Henry Stimson Press Release, August 9, 1945.
128: 47. Memorandum by General Leslie Groves to Chief of Staff George Marshall, with Marshall’s Note to Halt Bombings, August 10, 1945.
129: 48. Press Release on Security Measures Protecting the Secret of the Atomic Bomb, August 10, 1945.
130: 49. Japanese Request for Surrender, Transmitted August 10, 1945.
131: 50. J. Robert Oppenheimer Letter to Henry Stimson, August 17, 1945.
132: 51. Norman Ramsey Undated Letter to J. Robert Oppenheimer, Probably About August 22, 1945.
133: 52. Transcript of Telephone Conversation between General Leslie Groves and Lieutenant Colonel Charles E. Rea, August 25, 1945.
134: 53. Message from General Thomas Farrell to General Leslie Groves on Nagasaki Damage, September 14, 1945.
135: 54. Press Release of President Harry Truman’s Request for Press Assistance in Assuring Secrecy on the Manhattan Project, September 14, 1945.
136: 55. J. Robert Oppenheimer’s Speech to the Association of Los Alamos Scientists, November 2, 1945.
137: 56. The Effects of the Atomic Bombs: Excerpt from U.S. Strategic Bombing Survey Summary Report (Pacific War), Washington, D.C., July 1, 1946.
138: 57. Eben Ayers Diary on Memories by Harry Truman of the Atomic Bomb, August 6, 1951.
139: 58. President Harry Truman’s Later Thoughts in Letters, August 5, 1963 and August 4, 1964.
140: 59. Eyewitness Accounts.
141: 60. War Department Press Release, Calendar of Important Events, October 30, 1946.
142: Perspective Essays.
143: Background Essay.
144: Perspective Essay #1: The Decision to Employ the Bomb.
145: Perspective Essay #2: Dropping the Bomb Saved Lives.
146: Perspective Essay #3: A Necessary Action to End the War.
147: Perspective Essay #4: Dropping the Bombs Was Not Justified.
Chronology.
Bibliography.
About the Editor and Contributors.
Index.
About the Editor.