(EOL signifies Ernest O. Lawrence Papers, Bancroft Library, University of California, Berkeley.)

Chapter 1: Atoms and electrons: Proc. Roy. Soc. London, 117 (1927), 300. Shall we call it: Lawrence, Ohio journal of science, 35 (1935), 405.

Chapter 2: Lawrence literally danced: M.S. Livingston, Particle accelerators: A brief history (Cambridge, 1969), 29. With 20,000,000: Jesse Beams to Lawrence, 29 Jul 1931 (EOL, 2/26). We all wore paper hats: M. S. Livingston, Advances in electronics and electron physics, 50 (1980), 2930. We are rather bewildered: Lawrence to Beams, 27 Feb 1934 (EOL). My medical friends: Lawrence to Poillon, 29 Dec 1934 ("Report to the Research Corporation") (EOL, 39/13). Invaluable gift: Cacciapuoti and Segrè, Phys Rev, 52 (1937), 1252-3. Henry's hole, . . .: Alvarez, Unpublished autobiography, 297-8.

Chapter 3: Discoveries of a totally unexpected character: Considerations on the design of large accelerators,. 10 Feb 1940 (EOL, 26/1). Vast storehouse: Ibid. Japanese and German researchers: Newsweek, 16:2 (14 Oct 1940), 67- 8. Mechanisms and devices of warfare: Irvin Stewart, Organizing scientific research for war(Boston, 1948), Appendix A. I made such a nuisance: Lawrence, "Historical notes . . . Tube Alloy Project. (EOL). Second 'rare earth' group: McMillan and Abelson, Phys. Rev., 57 (1940), 1185-6. Responsibility for seeing: Lawrence to Process Engineering Committee, 11 Nov 1942 (MED records, LBL Archives). Gunk catching: Process Engineering Committee, 9 Nov 1941 (MED records, LBL Archives).

Chapter 4: A considerable proportion: Lawrence to Sproul, 17 Jan 1944 (EOL, 20/22). In the best interest of the government: Groves to Lawrence, 28 Dec 1945 (EOL, 22/4). Raise many questions: Brookhaven National Laboratory, "Program report on high energy design" (15 Jan 1948), 1-3.

Chapter 5: Problems for which the laboratory: R. L. Thornton, "Research program of the Radiation Laboratory for the coming four years,. I Oct 1947, (EOL, 32/3). National leadership: Lawrence to Carroll Wilson, 22 Dec 1948 (EOL, 32/5). To be credible: Richard Hewlett and Francis Duncan, Nuclear Navy, 1946-1962 (Chicago, 1974), 49-50. A very great change: In the matter of J. Robert Oppenheime, Transcript of hearing before the Personnel Security Board (Cambridge, 1971), 242. It is certainly good: Ibid., 778. Pursue with high priority: J. R. Oppenheimer to David E. Lilienthal, 30 Oct 1949, USAEC Historical Document 349, quoted in Herbert York, The advisors (San Francisco, 1976), 152-7. Highest priority: Ibid., 59. Bottleneck: Lawrence before ICAE, 11 Apr 1951 (EOL, 13/14), 774. Several men: "Proposal for a 25 MeV high intensity accelerator," I Jan 1950 (EOL, 33/11). The Mark II program: Lawrence to Pitzer, 24 Aug 1950 (DC Files, LLL, 1950). The greatest importance: Pitzer to Lawrence, 15 Dec 1950, ibid. If these processes work: Transcript of ICAE hearing, "Production particle accelerators," 11 Apr 1951 (EOL, 33/14). Healthy competition: R. Hewlett and F. Duncan, Atomic shield, ([Oak Ridge Tenn.], 1972) 581-3. The MTA project: Lawrence to W. Libby, 8 Mar 1957 (EOL, 35/21).

Chapter 6: The largest machine: W. M. Brobeck, "Design study," 22 Aug 1947 (EOL, 26/14). Purposely planned: Segrè, Les prix Nobel en 1959 (Stockholm, 1960), 94-5. The discovery of the anti-proton: B. Peters to Lawrence, 28 Oct 1955 (EOL, 2/4). Lead to the establishment: R. L. Thornton, "The research program of the Radiation Laboratory, University of California" (10 May 1947), 3. With a minimum of Interference: Brobeck, "Minutes of meeting," 10 Jan 1955 (EOL, 33/21). I don't believe: Alvarez, Les prix Nobel en 1968 (Stockholm, 1969), 140. It is obvious: Alvarez unpublished autobiography, 403-4.

Episode 2: A marvelous advancement: H. Childs, An American genius (New York, 1968), 199. Altogether extraordinary: Ibid. New miracle of science: New York Times, (20 Jun 1933), 1. The most skeptical: Lawrence to Beams, 28 Dec 1933 (EOL, 2/26). Methodical, quantitative measurements: Same to same, 13 Apr 1934 (EOL, 2/26). This first definite case: "Report to the Research Corporation [for 1933], appended to Lawrence to Poillon, 15 Dec 1933 (Birge Papers, Bancroft Library). Atomic gun: New York Times (20 Jun 1933), 1.

Episode 3: It will not be a calamity: Lawrence to A. H. Compton, 22 Oct 1941 (EOL, 4/10).

Episode 4: We are planning: "Case for the 184-inch cyclotron," 1940 (EOL, 26/1). The fundamental interactions: Lawrence to Groves, 31 Oct 1946 (EOL). The result is radically different: W. G. McMillan and E. Teller, Phys. Rev., 72 (1947), 1-6. Please don't take this plate: Gardner Film Group, Notebook, vol. 1, (LBL Archives), 88. Every time: Gardner to Chadwick, 17 Mar 1947, ibid., vol. 3, 86. Made the Bristol technique: Ibid., vol. 11, 263. Many laboratories: Powell, speech to World Federation of Scientific Workers, 1955 (Powell Papers, University of Bristol). To exploit fully: University of California Explorer, 20 Jun 1948 (EOL, 7/26). Lead in the direction: Time (15 Mar 1948), 78. It might roughly: University Explorer, 20 Jun 1948 (EOL, 7/26).

Episode 5: A very nice example: Lawrence testimony before JCAE, 11 Apr 1951, p. 764 (EOL, 33/14). It has been our experience: Alvarez to E. Durand, 17 Feb 1949 (Alvarez Correspondence, LBL Archives). Toy. .. great particle reactor: Lawrence before JCAE, 11 Apr 1951, pp. 759, 772 (EOL, 33/14). If we can do it :Ibid., 779. Neutrons theoretically: Ibid., 769. Mark I is believed: "MTA Mark I Summary Report," 28 Dec 1953 (EOL, 33/20). It is like: Lawrence before ICAE, 11 Apr 1951, pp.782, 796 (EOL, 33/14). Truly new possibilities: Lawrence to Smyth, 16 Apr 1952 (EOL, 33/17).

Episode 6: The situation was neither clear: D. M. Ritson et al., Phys Rev., 101 (1956), 1086. Very useful suggestions: Chamberlain et al., Phys. Rev., 100 (1955), 950. A pet experiment: Piccioni to Alvarez, 11 Apr 1955 (Alvarez correspondence, LBL Archives). Conclusive proof: Chamberlain et al., and Amaldi et al., Phys. Rev., 102 (1956), 923. One of the important purposes: Press release, Office of Public Information, University of California, 19 Oct 1955. Obsolete In design: Lofgren, CERN symposium on high energy accelerators and pion physics, proceedings (2 vols., Geneva, 1956), l, 496.