![Thomas Addis. Thomas Addis.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/192-i.129-150w.jpg) Thomas Addis. 1920s.
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![Linus Pauling in Germany. Linus Pauling in Germany.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1926i.60-150w.jpg) Linus Pauling in Germany. 1926.
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![Harold Urey Harold Urey](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/17/QD21.N641-v1-urey-150w.jpg) Harold Urey, 1930s.
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![Portrait of Arnold O. Beckman Portrait of Arnold O. Beckman](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/portrait-beckman-150w.jpg) Portrait of Arnold O. Beckman, 1930s.
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![Portrait of Harris M. Chadwell. Portrait of Harris M. Chadwell.](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/portrait-chadwell-150w.jpg) Portrait of Harris M. Chadwell. 1939.
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![Members of the Tufts University Chemistry Department: Crosby F. Baker, Harris M. Chadwell and David E. Worrell. Members of the Tufts University Chemistry Department: Crosby F. Baker, Harris M. Chadwell and David E. Worrell.](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/tufts-chemistry-1939-150w.jpg) Members of the Tufts University Chemistry Department: Crosby F. Baker, Harris M. Chadwell
and David E. Worrell. December 7, 1939.
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![Linus Pauling in the laboratory. Linus Pauling in the laboratory.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1940i.31-150w.jpg) Linus Pauling in the laboratory. 1940.
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![The Pauling family on an outing to the beach. The Pauling family on an outing to the beach.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1940i.41-150w.jpg) The Pauling family on an outing to the beach. 1940.
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![Linus Pauling, Jr. Linus Pauling, Jr.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/194-i.3-150w.jpg) Linus Pauling, Jr. 1940s.
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![Linus Pauling Linus Pauling](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/194-i.12-150w.jpg) Linus Pauling, 1940s.
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![Ava Helen Pauling Ava Helen Pauling](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/194-i.24-150w.jpg) Ava Helen Pauling, 1940s.
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![Technical drawings of the Pauling Oxygen Meter. Technical drawings of the Pauling Oxygen Meter.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/11/sci13.001.1-diagram-01-150w.jpg) Technical drawings of the Pauling Oxygen Meter. approx. 1940.
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![Diagrams of the Pauling Oxygen Meter torsion balance. Diagrams of the Pauling Oxygen Meter torsion balance.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/11/sci13.001.5-fig-torsionbalance-01-150w.jpg) Diagrams of the Pauling Oxygen Meter torsion balance. approx. 1940.
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![The Pauling Oxygen Meter. The Pauling Oxygen Meter.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/11/sci13.001.5-photo-oxygenmeter-150w.jpg) The Pauling Oxygen Meter. approx. 1940.
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![Leslie R. Groves and J. Robert Oppenheimer Leslie R. Groves and J. Robert Oppenheimer](http://scarc.library.oregonstate.edu/coll/atomic/catalogue/energy0342-150w.jpg) Leslie R. Groves and J. Robert Oppenheimer, 1940s.
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![Vannevar Bush Vannevar Bush](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/bush-desk-150w.jpg) Vannevar Bush, 1940s.
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![Thorfin Hogness in the laboratory. Thorfin Hogness in the laboratory.](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/hogness-laboratory-150w.jpg) Thorfin Hogness in the laboratory. 1940s.
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![Group photograph of the National Defense Research Committee membership. Group photograph of the National Defense Research Committee membership.](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/ndrc-group-150w.jpg) Group photograph of the National Defense Research Committee membership. approx. 1940.
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![Portrait of James Bryant Conant. Portrait of James Bryant Conant.](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/portrait-conant-150w.jpg) Portrait of James Bryant Conant. approx. 1940.
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![Portrait of Frank B. Jewett. Portrait of Frank B. Jewett.](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/portrait-jewett-150w.jpg) Portrait of Frank B. Jewett. approx. 1940.
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![Portrait of Arthur B. Lamb Portrait of Arthur B. Lamb](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/portrait-lamb-150w.jpg) Portrait of Arthur B. Lamb, approx. 1940.
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![Informal portrait of the Pauling family. Informal portrait of the Pauling family.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1941i.14-150w.jpg) Informal portrait of the Pauling family. 1941.
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![Members of the Caltech Chemistry staff seated at the department picnic. Members of the Caltech Chemistry staff seated at the department picnic.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1941i.35-150w.jpg) Members of the Caltech Chemistry staff seated at the department picnic. 1941.
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![Linus Pauling holding two laboratory rabbits. Linus Pauling holding two laboratory rabbits.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1942i.2-150w.jpg) Linus Pauling holding two laboratory rabbits. 1942.
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![Linus Pauling, Jr. Linus Pauling, Jr.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1942i.6-150w.jpg) Linus Pauling, Jr. 1942.
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![Series of diagrams of the Pauling Oxygen Meter. Series of diagrams of the Pauling Oxygen Meter.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/16/safe1.031.7-diagram-150w.jpg) Series of diagrams of the Pauling Oxygen Meter. June 8, 1942.
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![Linus Pauling and Dan Campbell in the laboratory, California Institute of Technology. Linus Pauling and Dan Campbell in the laboratory, California Institute of Technology.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1943i.1-150w.jpg) Linus Pauling and Dan Campbell in the laboratory, California Institute of Technology. 1943.
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![Diagram of the Precipitation Apparatus, Smoke Particle-Size Project. Diagram of the Precipitation Apparatus, Smoke Particle-Size Project.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/16/safe2.012-fig6-150w.jpg) Diagram of the Precipitation Apparatus, Smoke Particle-Size Project. approx. 1943.
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![Diagram of the Filament Charging Device, Smoke Particle-Size Project. Diagram of the Filament Charging Device, Smoke Particle-Size Project.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/16/safe2.012-fig7-150w.jpg) Diagram of the Filament Charging Device, Smoke Particle-Size Project. approx. 1943.
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![Graph of particle radii and quantities, Smoke Particle-Size Project. Graph of particle radii and quantities, Smoke Particle-Size Project.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/16/safe2.012-fig25-150w.jpg) Graph of particle radii and quantities, Smoke Particle-Size Project. approx. 1943.
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![Pauling's NDRC authorization papers permitting work on explosives in warfare. Pauling's NDRC authorization papers permitting work on explosives in warfare.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/11/sci13.005.3-authorization-150w.jpg) Pauling's NDRC authorization papers permitting work on explosives in warfare. May 1, 1944.
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![Charcoal portrait of Linus Pauling. Charcoal portrait of Linus Pauling.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1945i.3-150w.jpg) Charcoal portrait of Linus Pauling. 1945.
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!["Blowing Bubbles" diagram. "Blowing Bubbles" diagram.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/11/sci13.001.5-designmanual-fig55-150w.jpg) "Blowing Bubbles" diagram. approx. 1945.
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!["Sizing Bubbles" diagram. "Sizing Bubbles" diagram.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/11/sci13.001.5-designmanual-fig56-150w.jpg) "Sizing Bubbles" diagram. approx. 1945.
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![Torsion balance used in the Pauling oxygen meter. Torsion balance used in the Pauling oxygen meter.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/11/sci13.001.5-photo-torsionbalance-150w.jpg) Torsion balance used in the Pauling oxygen meter. approx. 1945.
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![Conceptual sketch of a Wasserfall Missile. Conceptual sketch of a Wasserfall Missile.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/16/safe3.032.38-150w.jpg) Conceptual sketch of a Wasserfall Missile. approx. 1945.
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![Conceptual sketch of a German Remote-Controlled Glide Bomb, HS 293 A-1. Conceptual sketch of a German Remote-Controlled Glide Bomb, HS 293 A-1.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/16/safe3.032.39-150w.jpg) Conceptual sketch of a German Remote-Controlled Glide Bomb, HS 293 A-1. approx. 1945.
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![Conceptual sketch of a Rheinbote RHF 261/2 Long Range Multi-Stage Rocket. Conceptual sketch of a Rheinbote RHF 261/2 Long Range Multi-Stage Rocket.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/16/safe3.032.40-150w.jpg) Conceptual sketch of a Rheinbote RHF 261/2 Long Range Multi-Stage Rocket. approx. 1945.
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![Conceptual sketches of German Radio-Controlled Rocket-Driven Flak, "Rheintochter" R1 and R3. Conceptual sketches of German Radio-Controlled Rocket-Driven Flak, "Rheintochter" R1 and R3.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/16/safe3.032.41-01-150w.jpg) Conceptual sketches of German Radio-Controlled Rocket-Driven Flak, "Rheintochter"
R1 and R3. approx. 1945.
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![Conceptual sketch of German "Die Walze" rocket. Conceptual sketch of German "Die Walze" rocket.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/16/safe3.032.42-150w.jpg) Conceptual sketch of German "Die Walze" rocket. approx. 1945.
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![Harry S. Truman Harry S. Truman](http://scarc.library.oregonstate.edu/coll/atomic/catalogue/energy2742-portrait-truman-150w.jpg) Harry S. Truman, 1945.
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![Cover of "The Split Atom," by B. Belove. Cover of "The Split Atom," by B. Belove.](http://scarc.library.oregonstate.edu/coll/atomic/catalogue/energy2759-cover-150w.jpg) Cover of "The Split Atom," by B. Belove. 1945.
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![Portrait of Irvin Stewart Portrait of Irvin Stewart](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/portrait-stewart-150w.jpg) Portrait of Irvin Stewart, approx. 1945.
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!["Jap Flag Painted on Garage Door." "Jap Flag Painted on Garage Door."](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/13/bio2.001.1-19450307a-150w.jpg) "Jap Flag Painted on Garage Door." March 7, 1945.
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![Cover of the Boston Herald newspaper announcing the atomic bombing of Nagasaki by U.S. forces. Cover of the Boston Herald newspaper announcing the atomic bombing of Nagasaki by U.S. forces.](http://scarc.library.oregonstate.edu/coll/atomic/catalogue/energy0309-150w.jpg) Cover of the Boston Herald newspaper announcing the atomic bombing of Nagasaki by
U.S. forces. August 9, 1945.
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![Linus Pauling with his sons - Peter, Crellin and Linus, Jr. Linus Pauling with his sons - Peter, Crellin and Linus, Jr.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1946i.23-150w.jpg) Linus Pauling with his sons - Peter, Crellin and Linus, Jr. 1946.
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![Vannevar Bush at the inauguration of Lee A. DuBridge as president of Caltech. Vannevar Bush at the inauguration of Lee A. DuBridge as president of Caltech.](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/bush-inauguration-150w.jpg) Vannevar Bush at the inauguration of Lee A. DuBridge as president of Caltech. 1946.
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![Thorfin Hogness. Thorfin Hogness.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/12/peace3.013.6-hogness-150w.jpg) Thorfin Hogness. November 1946.
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![The Pauling Oxygen Meter, Model K, Serial No. 3. The Pauling Oxygen Meter, Model K, Serial No. 3.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1947i.23-150w.jpg) The Pauling Oxygen Meter, Model K, Serial No. 3. 1947.
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![George B. Kistiakowsky. George B. Kistiakowsky.](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/kistiakowsky-1947-150w.jpg) George B. Kistiakowsky. approx. 1947.
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![Linus Pauling, Jr. Linus Pauling, Jr.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1947i.7-lpjr-150w.jpg) Linus Pauling, Jr. September 1947.
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![David Shoemaker David Shoemaker](http://scarc.library.oregonstate.edu/coll/shoemaker/catalogue/shoemaker5.001.1-shoemaker-150w.jpg) David Shoemaker, September 1947.
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![Portrait of Lee A. DuBridge. Portrait of Lee A. DuBridge.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1948i.25-150w.jpg) Portrait of Lee A. DuBridge. 1948.
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![Portrait of Reuben E. Wood. Portrait of Reuben E. Wood.](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/portrait-wood-150w.jpg) Portrait of Reuben E. Wood. March 1948.
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![Reuben E. Wood and Richard Wallis working in a George Washington University chemistry laboratory. Reuben E. Wood and Richard Wallis working in a George Washington University chemistry laboratory.](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/wood-150w.jpg) Reuben E. Wood and Richard Wallis working in a George Washington University chemistry
laboratory. March 1948.
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![Members of the Caltech Chemistry faculty. Members of the Caltech Chemistry faculty.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1950i.24-150w.jpg) Members of the Caltech Chemistry faculty. 1950.
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![Dan Campbell. Dan Campbell.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1950i.24-campbell-150w.jpg) Dan Campbell. 1950.
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![Robert Corey. Robert Corey.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1950i.24-corey-150w.jpg) Robert Corey. 1950.
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![Joseph B. Koepfli. Joseph B. Koepfli.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1950i.24-koepfli-150w.jpg) Joseph B. Koepfli. 1950.
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![Stanley Swingle. Stanley Swingle.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1950i.24-swingle-150w.jpg) Stanley Swingle. 1950.
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![J. Holmes Sturdivant. J. Holmes Sturdivant.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1950i.24-sturdivant-150w.jpg) J. Holmes Sturdivant. 1950.
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![Clarence K. Streit. Clarence K. Streit.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/195-i.11-150w.jpg) Clarence K. Streit. 1950s.
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![Sidney Weinbaum. Sidney Weinbaum.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/01/corr433.5-portrait-19500616-150w.jpg) Sidney Weinbaum. June 16, 1950.
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![Portrait of Verner Schomaker. Portrait of Verner Schomaker.](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/portrait-schomaker-150w.jpg) Portrait of Verner Schomaker. 1953.
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![J. Norton Wilson. J. Norton Wilson.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1954i.18-wilson-150w.jpg) J. Norton Wilson. December 1954.
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![John T. Edsall. John T. Edsall.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1958i.102-edsall-150w.jpg) John T. Edsall. 1958.
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![Leo Szilard. Leo Szilard.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1958i.102-szilard-150w.jpg) Leo Szilard. 1958.
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![William H. Eberhardt. William H. Eberhardt.](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/portrait-eberhardt-150w.jpg) William H. Eberhardt. 1966.
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![George B. Kistiakowsky. George B. Kistiakowsky.](http://scarc.library.oregonstate.edu/coll/nonspcoll/catalogue/kistiakowsky-1970s-150w.jpg) George B. Kistiakowsky. approx. 1970.
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![Linus Pauling. Linus Pauling.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/199-i.1-150w.jpg) Linus Pauling. 1990s.
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![Linus Pauling. Linus Pauling.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/199-i.6-150w.jpg) Linus Pauling. 1990s.
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![Thomas Hager and Linus Pauling. Thomas Hager and Linus Pauling.](http://scarc.library.oregonstate.edu/coll/historians/catalogue/hager1.032.7-hagerandpauling-150w.jpg) Thomas Hager and Linus Pauling. February 27, 1991.
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![William Lipscomb. William Lipscomb.](http://scarc.library.oregonstate.edu/coll/pauling/catalogue/09/1994i.14-lipscomb-150w.jpg) William Lipscomb. March 1994.
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