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Ernest Orlando Lawrence in Pierre, South Dakota, 1913. XBB677-4241 [Photographer: Donald Cooksey]

Ernest Orlando Lawrence in Canton, South Dakota, 1913. See also high resolution scan: XBD200904-00160. Morgue 1958-8 (P-89) [Photographer: Donald Cooksey]

Group photo taken in 1916. Names mentioned in key: Bray, Argo-Lewis-Gray, Olson, Borgstrom-Randall, Parks, Brighton-Cushman, Bisson, Holmstrup-Cummings. Morgue 1944-88 (P-1) [Photographer: Donald Cooksey]

Portrait of Ernest Orlando Lawrence, 1917. Morgue 1958-8 (P-90) [Photographer: Donald Cooksey]

Le Conte Hall, University of California, Berkeley. View of the east facade with Bacon Hall and the Campanile in the background, taken in 1926. Principal Investigator/Project: Analog Conversion Project

Arthur H. Compton, Nobel Prize in Physics, 1927. Principal Investigator/Project: Analog Conversion Project

Ernest Orlando Lawrence, Mrs. Robert Birge, and Betty. (or Ann) Birge taken in May, 1927. See negative. Morgue 1958-8 (P-41) [Photographer: Donald Cooksey]

Ernest Orlando Lawrence, Mrs. Robert Birge, and children Betty. (or Ann) and Bob Birge taken in May, 1927. See negative Morgue 1958-8 (P-42) [Photographer: Donald Cooksey]

Institut International De Physique Solvay taken October 1927, with key to individuals. See also International De Physique Solvay October 1933. 1958-8 (P-44); XBD9606-02531.tif; XBB8202-01729 (complete list of participants and their affiliations see: XBD200911-00979.tif Morgue 1962-15 (P-1) [Photographer: Donald Cooksey]

Glenn Seaborg at age 17, taken April 1929. Principal Investigator/Project: Analog Conversion Project

Radio arc transmitter. Not part of magnet as assembled at University of California (UC) Berkeley taken June 3, 1931. Morgue 1944-79 (P-2) copy negative from original print courtesy of Norma Sleeman [photographer unknown]

Robert Stone with new X-ray machine. Examiner photograph by Dan Wilkes taken 8/05/1931. XBB688-4931. Principal Investigator/Project: Analog Conversion Project [Photographer: Dan Wilkes--San Francisco Examiner]

Robert Stone with new X-ray machine. Examiner photograph by Dan Wilkes taken 8/05/1931. XBB688-4930. Principal Investigator/Project: Analog Conversion Project [Photographer: Dan Wilkes--San Francisco Examiner]

27-inch cyclotron with magnet,1932. [Photographer: Donald Cooksey]

Bill Stamper with 27-inch cyclotron tank #1 and magnet, 1932. [Photographer: Donald Cooksey]

27-inch cyclotron tank #1 and magnet,1932. [Photographer: Donald Cooksey]

27-inch cyclotron tank #1,1932. [Photographer: Donald Cooksey]

27-inch cyclotron, 1932. Morgue 1944-32 (P-1) [Photographer: Donald Cooksey]

University of California Hospital, San Franciso. David Sloan X-ray tube and 300kw oscillator, 1933. [Photographer: Donald Cooksey]

David Sloan X-ray tube,1933. See also XBB766-8040. [Photographer: Donald Cooksey]

David Sloan and J.J. Livingood with Sloan X-ray tube,1933. See also XBB766-8042. [Photographer: Donald Cooksey]

University of California Hospital, San Franciso. David Sloan X-ray tube and 300kw oscillator, 1933. [Photographer: Donald Cooksey]

Graduate student Luis Alvarez is shown in 1933 with Arthur Compton, with whom he worked on cosmic ray programs for his Ph.D. thesis at the University of Chicago. Morgue 1946-8 (P-1) [Photographer: Donald Cooksey]

David Sloan X-ray tube,1933. See also XBB766-8041. [Photographer: Donald Cooksey]

Luis Alvarez' cosmic ray telescope setup showing instruments inside gondola with labels. Mexico City, April, 1933. From Alvarez' personal file. Morgue 1946-8 (P-5); ZN 3277 [Photographer: Donald Cooksey]

Luis Alvarez' cosmic ray telescope mounted on wheelbarrow, to permit east-west rotation, Alvarez standing, right and Robert Serber (?) seated. Phote labeled Mexico City, April, 1933. Morgue 1946-8 (P-3); ZN 3275 [Photographer: Donald Cooksey]

Artists conceptual drawing of David Sloan x-ray tube, 1934 [Photographer: Donald Cooksey]

First GCA setup for operation at Elsham Wolds, England, in the summer of 1934. Copied from Luis Alvarez' personal photos. Morgue 1946-8 (P-10); ZN 3281 [photographer unknown]

David Sloan x-ray tube, taken in 1934 at U.C. Hospital. XBB766-8036 [Photographer: Donald Cooksey]

David Sloan X-ray tube in treatment room at U.C. Hospital in San Francisco.1934. See also XBB 7606-8035. [Photographer: Donald Cooksey]

David Sloan X-ray tube in treatment room at U.C. Hospital in San Francisco.1934. See also XBB 7606-8038 (FMP record missing). [Photographer: Donald Cooksey]

Ernest Orland Lawrence with Molly and Eric, 1935. XBB677-4243 [Photographer: Donald Cooksey]

Lehmann working in lab assocated with 27-inch cyclotron. Cooksey 28-38,1935. Negative missing [Photographer: Donald Cooksey]

27-inch cyclotron, tank 2 showing hole burnt in dees (D's). Cooksey 28-33, Fall, 1935. Negative missing [Photographer: Donald Cooksey]

27-inch cyclotron tank #2, fall,1935. See also Cooksey 751. [Photographer: Donald Cooksey]

Kurie and Livingood working on the 27-inch cyclotron tank #2 in operation from 1932 to 1936, accelerated deuterons at 4.8 MeV for the investigation of deuteron-nucleus interactions. Cooksey 24-33, September 1, 1935. [Photographer: Donald Cooksey]

Krause, Donald Cooksey, Livingood, and Lehmann with the 27-inch cyclotron tank #2 in operation from 1932 to 1936, accelerated deuterons at 4.8 MeV for the investigation of deuteron-nucleus interactions. Cooksey 24-32, September 1, 1935. [Photographer: Donald Cooksey]

The 27-inch cyclotron tank #2 in operation from 1932 to 1936, accelerated deuterons at 4.8 MeV for the investigation of deuteron-nucleus interactions. Cooksey 24-12, September 1, 1935. [Photographer: Donald Cooksey]

The 37-inch cyclotron accelerated deuterons to 8 MeV and alpha particles to 16 MeV, and used to create radio isotopes and the first artificial element, technetium. Cooksey 24-31, September 1, 1935. [Photographer: Donald Cooksey]

Krause and Lehmann working on the 27-inch cyclotron tank #2 in operation from 1932 to 1936, accelerated deuterons at 4.8 MeV for the investigation of deuteron-nucleus interactions. Cooksey 24-31, September 1, 1935 [Photographer: Donald Cooksey]

Dee (D) accelerator component. Cooksey 24-1, September 1, 1935. [Photographer: Donald Cooksey]

The 27-inch cyclotron tank #2 in operation from 1932 to 1936, accelerated deuterons at 4.8 MeV for the investigation of deuteron-nucleus interactions. Cooksey 24-27, September 1, 1935. [Photographer: Donald Cooksey]

The 27-inch cyclotron tank #2 in operation from 1932 to 1936, accelerated deuterons at 4.8 MeV for the investigation of deuteron-nucleus interactions. Cooksey 25-10, September 1, 1935. [Photographer: Donald Cooksey]

Livingood and Lehmann working on the 27-inch cyclotron tank #2 in operation from 1932 to 1936, accelerated deuterons at 4.8 MeV for the investigation of deuteron-nucleus interactions. Cooksey 24-30, September 1, 1935. [Photographer: Donald Cooksey]

The 27-inch cyclotron tank #2 in operation from 1932 to 1936, accelerated deuterons at 4.8 MeV for the investigation of deuteron-nucleus interactions. Cooksey 25-5, September 1, 1935. [Photographer: Donald Cooksey]

The 27-inch cyclotron tank #2 in operation from 1932 to 1936, accelerated deuterons at 4.8 MeV for the investigation of deuteron-nucleus interactions. Cooksey 24-11, September 1, 1935. [Photographer: Donald Cooksey]

The 27-inch cyclotron tank #2 in operation from 1932 to 1936, accelerated deuterons at 4.8 MeV for the investigation of deuteron-nucleus interactions. Cooksey 25-6, September 1, 1935. [Photographer: Donald Cooksey]

The 27-inch cyclotron tank #2 in operation from 1932 to 1936, accelerated deuterons at 4.8 MeV for the investigation of deuteron-nucleus interactions. Cooksey 24-15, September 15, 1935. [Photographer: Donald Cooksey]

Oscillator tube, 27-inch cyclotron. Cooksey 28-7,1936. Note on original that "...gave film 28 to EOL." [Photographer: Donald Cooksey]

60-inch cyclotron with Donald Cooksey, taken in 1936. Morgue 1944-44 (P-1) [Photographer: Donald Cooksey]

New cyclotron chamber, taken in 1936. Morgue 1944-61 (P-1) [Photographer: Donald Cooksey]

Molly and Eric Lawrence, 1936. See also Cooksey 28-38 (original negatives misplaced, recopied). Envelope contains various images of Ernest Orland Lawrence, Molly Lawrence, and Eric Lawrence. Cooksey 28-38. Digitized from poor quality copy negatives. [Photographer: Donald Cooksey]

The first external cyclotron beam, obtained on March 26, 1936. The glow arises from the ionization of the air by the 5.8 MeV deuterons. Morgue 1944-35 (P-1) [Photographer: Donald Cooksey]

Sid Barnes at Rochester Lab with equipment. Cooksey 27-6, June 1, 1936. [Photographer: Donald Cooksey]

Franz N.D. Kurie (right), Arthur H. Snell (second from right) and others on Pickets Peak in Trinity County. Cookesy caption: Ford I drove out for Franz in 1936 (May). Cooksey 27-28, June 1, 1936. [Photographer: Donald Cooksey]

Franz N.D. Kurie and the 27-inch cyclotron tank #2 in operation from 1932 to 1936, accelerated deuterons at 4.8 MeV for the investigation of deuteron-nucleus interactions. Note two deflections. Cooksey 27-0, June 1, 1936. [Photographer: Donald Cooksey]

Double donut by Bob Sihlis. Cooksey 27-30, June 1, 1936. [Photographer: Donald Cooksey]

Franz N.D. Kurie (standing), Arthur H. Snell (laying down) and others at Trinity River. Cooksey 27-16, June 1, 1936. [Photographer: Donald Cooksey]

Ernest Orlando Lawrence standing in doorway of his office, July 1936. Photo taken by Emilio Serge while visiting. See negative Morgue 1958-8 (P-47) [Photographer: Donald Cooksey]

Lampi, Miss. Condit, and Paul Aebersold at desk. Cooksey 17-11, September 25. 1936. [Photographer: Donald Cooksey]

Dissected mouse. Cooksey 17-20, September 25. 1936. [Photographer: Donald Cooksey]

27 1/2-inch cyclotron beam out. Cooksey 17-7, September 25. 1936. See also: Cooksey 757 [Photographer: Donald Cooksey]

John H. Lawrence at desk. Cooksey 17-13, September 25. 1936. See also: XBD9606-02745.TIF for similar image. [Photographer: Donald Cooksey]

Lampi and Paul Aebersold at desk. Cooksey 17-9, September 25. 1936. [Photographer: Donald Cooksey]

Miss Condit (?) Cooksey 17-14, September 25. 1936. [Photographer: Donald Cooksey]

Lampi and Paul Aebersold with notes. Cooksey 17-19, September 25. 1936 [Photographer: Donald Cooksey]

Ernest Orlando Lawrence seated. Cooksey 17-23, September 25, 1936. [Photographer: Donald Cooksey]

27 1/2-inch cyclotron beam out. Cooksey 17-6, September 25. 1936. See also: Cooksey 756 [Photographer: Donald Cooksey]

BEAM EMERGING FROM A MORE RUGGEDLY CONSTRUCTED CHAMBER, OCTOBER 1, 1936. Morgue1944-37 (P-1) and 8 X 10 negative [Photographer: Donald Cooksey]

L. Emo seated. Cooksey 26-2, November 1, 1936. [Photographer: Donald Cooksey]

37-inch cyclotron tank #4,1937. [Photographer: Donald Cooksey]

Ernest Orlando Lawrence with the 37-inch cyclotron, taken in 1937. Principal Investigator/Project: Analog Conversion Project

37-inch cyclotron can. Cooksey 29-15, January 1, 1937. [Photographer: Donald Cooksey]

27-inch cyclotron oscillator, 1937. See also XBB766-8055. [Photographer: Donald Cooksey]

Ernest Orlando Lawrence with the 37-inch cyclotron, taken in 1937. Principal Investigator/Project: Analog Conversion Project

37-inch cyclotron tank #4, taken 1937. Principal Investigator/Project: Analog Conversion Project [Photographer: William Schoeb Photography, San Francisco, California]

37-inch magnet water tanks in the Old Radiation Laboratory, print taken in 1937. Principal Investigator/Project: Analog Conversion Project

The Old Radiation Laboratory (ORL) building demolished 1960. Historical Cooksey, taken in 1937. Principal Investigator/Project: Analog Conversion Project

Ernest Orlando Lawrence at the 60-inch cyclotron, 1937. Morgue 1958-8 (P16) [Photographer: Donald Cooksey]

37-inch cyclotron tank #4, taken 1937. Principal Investigator/Project: Analog Conversion Project

Miss Condit writing on Donald Cooksey's shoulder. Cooksey 29-0, January 1, 1937. [Photographer: Donald Cooksey]

Professor Ernest Orlando Lawrence at the 37-inch cyclotron taken in1937. Morgue 1958-8 (P-15). [Photographer: Donald Cooksey]

Maurice E. Nahurias with 37-inch can at Pelton Water Wheel Company. Cooksey 29-14, January 1, 1937. [Photographer: Donald Cooksey]

37-inch cyclotron tank #4, taken 1937. Principal Investigator/Project: Analog Conversion Project [Photographer: William Schoeb Photography, San Francisco, California]

37-inch cyclotron tank #4, Franz N.D. Kurie, and Dean Cowie, taken 1937. Principal Investigator/Project: Analog Conversion Project

Periodic Table designed and kept up to date by Luis Alvarez. Radioactive isotopes were listed on round "tags" that were held up by hooks and could be replaced when new data became available. Cooksey 30-15, April, 1937. [Photographer: Donald Cooksey]

Electronic system designed by Dean (?) and later completely redesigned by Alvarez. Used in several of his experiments. For example, slow neutron beams, magnetic moment of the neutron, discovery that He3 was stable, and confirmation of the discovery of fission. Cooksey 30-14, April, 1937 [Photographer: Donald Cooksey]

Cloud Chamber set-up designed by Luis Alvarez used between the pole pieces of the 27-inch cyclotron by Alvarez and Brobeck. Cooksey 30-16, April 1, 1937. [Photographer: Donald Cooksey]

Luis Alvarez with Lab setup (possibly associated with the 37-inch cyclotron) Cooksey 30-10, April 1, 1937. [Photographer: Donald Cooksey]

Lab setup (possibly associated with the 37-inch cyclotron). Cooksey 30-12, April 1, 1937. [Photographer: Donald Cooksey]

37-inch cyclotron tank #4, taken July 1937. Principal Investigator/Project: Analog Conversion Project

37-inch cyclotron, deuteron beam out, taken August 1937. See also XBD9703-00006 cyclotron shown without beam. Principal Investigator/Project: Analog Conversion Project

Tank #4 at the 37-inch cyclotron, taken August 1937. Principal Investigator/Project: Analog Conversion Project

Martin Kamen, L. Jackson Laslett, and Paul Aebersold, August 13, 1937. XBB688-4743 (negative created from Cooksey print) [Photographer: Donald Cooksey]

37-inch cyclotron accelerated deuterons to 8 MeV and alpha particles to 16 MeV, also used to create radio isotopes and the first artificial element, technetium. Cooksey 18-2, October 13, 1937 [Photographer: Donald Cooksey]

37-inch cyclotron. Cooksey 18-9, October 13, 1937. [Photographer: Donald Cooksey]

37-inch cyclotron with components. Cooksey 18-10, October 13, 1937. [Photographer: Donald Cooksey]

Bill Brobeck. Cooksey 18-8, October 13, 1937. [Photographer: Donald Cooksey]

37-inch cyclotron. Cooksey 18-3, October 13, 1937. [Photographer: Donald Cooksey]

37-inch cyclotron. Cooksey 18-1, October 13, 1937. [Photographer: Donald Cooksey]