In this interview, David Zierler, Oral Historian for AIP, interviews Maury Tigner, Hans A. Bethe Professor of Physics Emeritus at Cornell. He discusses the origins of the "Handbook of Accelerator Physics and Engineering," and he provides perspective on the prospects of China's contributions for the future of high energy physics. Tigner recounts his childhood as the son of parents in the clergy, and he discusses his undergraduate education in physics at RPI and his interest in working on the betatron. He explains the opportunities that led to his acceptance to the graduate program in physics at Cornell to work under the direction of Bob Wilson and Boyce McDaniel. Tigner explains his decision to remain at Cornell for his postdoctoral research to assume responsibility of the 2.2 GeV Synchrotron, and he describes his initial research at DESY in Germany. He describes his work developing superconducting radiofrequency technology, and the NSF role in supporting this effort. Tigner discusses his work on the design team for the SSC and the impact of the cancellation of ISABELLE, and he narrates Panofsky's decision to replace him with Roy Schwitters. He describes his return to Cornell, and he conveys that despite the structural challenges, there is much to remain optimistic about in high energy physics.
In this interview, Harvey Lynch, retired and formerly Assistant Director in the Research Division of SLAC is interviewed by David Zierler. He recounts his upbringing in California and his early interests in science, and he describes his undergraduate experience at MIT, where David Frisch proved to be a formative influence for his work in particle physics. Lynch discusses his work at the Cherenkov light ring, and he explains his decision to pursue graduate work at Stanford to work with David Ritson on inelastic electron-proton scattering. He describes the origins of SLAC, and he cites the mysteries surrounding quarks and SU3 symmetries as among the most important research questions in the field at that time. Lynch discusses his motivation to do postdoctoral research at CERN, where he worked with Carlo Rubbia on CP violation, and he recounts Burt Richter’s offer to join SLAC in 1968. He describes his early work on planar spark chambers and his longtime involvement in the SPEAR project which aimed to take a new approach to elementary particle physics. Lynch details the operational and technical challenges to get SPEAR up and running, and how it epitomized SLAC’s independence in making internal decisions without DOE approval in the early days of the Lab. He describes witnessing the “November Revolution” of 1974 and what this meant for SLAC and particle physics generally. Lynch explains his decision to join the PETRA collaboration and the TASSO detector at DESY. He describes his reasons to return to the U.S., first at UC Santa Barbara until he was recruited back to SLAC, where he witnessed significant changes as a result of Burt Richter succeeding Wolfgang “Pief” Panofsky as director. Lynch discusses his concurrent work on PEP physics, SLC design work, and the proposal for the international SLD project. He explains his work with the Center for International Security and Arms Control at Stanford and his involvement with the SDI defense initiative, and he describes his involvement in the design phase of the SSC project. Lynch offers a post-mortem on the SSC cancellation, and expresses relief that he was able to return to SLAC, where he joined the BaBar project and served as chairman of the Radiation Safety Committee. He describes his last seven years at SLAC during which he worked exclusively on administrative matters, and at the end of the interview, Lynch discusses his work for the National Academy of Science to study boost-phase missile defense.
Interview with A.J. Stewart Smith, the Class of 1909 Professor of Physics, emeritus, at Princeton University, who also served as the university vice president for the Princeton Plasma Physics Laboratory. Smith begins the interview with an overview of his affiliations with SNOLAB, CERN, and Italian Nuclear and Particle Physics. He recaps the effects of the pandemic on experimental particle physics. Smith then summarizes his family history and his childhood in Canada, where he became interested in the sciences in high school. Smith recalls his undergraduate studies in physics at University of British Columbia, where he also earned a master’s degree, as well as his decision to pursue a PhD at Princeton. He describes working on the Princeton-Penn Accelerator with his advisor Pierre Piroue, and the subsequent offer of a fellowship at DESY working with Sam Ting on QED. Smith recounts his move back to Princeton to join the faculty, and he describes the “bipartisanship” between experimentalists and theorists at the time. He discusses the origins of the Chicago-Princeton collaboration at Fermilab, his involvement with E-787 experiment at Brookhaven, and his time as technical coordinator and spokesperson for the BaBar experiment. The interview concludes with Smith’s recollections of his time as Princeton’s first dean of research, as well as his reflections on times when theory has led experimentation, and vice versa.
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Interview with Daniel R. Marlow, Evans Crawford Class of 1911 Professor of Physics, at Princeton University. Marlow recounts his childhood in Ontario and his father’s military appointment which brought his family to the United States when he was fourteen. He describes his undergraduate experience at Carnegie Mellon and the considerations that compelled him to remain for his graduate work in physics. Marlow describes his thesis research under the direction of Peter Barnes and his research visits to Los Alamos, Brookhaven, and JLab, and he surveys the theoretical advances that were relevant to his experimental work. He explains his decision to stay at CMU as a postdoctoral researcher and as an assistant professor, and he describes his interests which straddled the boundary between particle physics and nuclear physics. Marlow describes the opportunities leading to his faculty appointment at Princeton by way of the research in k+ and pi+nu nu-bar experiments at CERN. He discusses his involvement in planning for the SSC, and how the Gem collaboration was designed to find the Higgs and supersymmetry before the LHC. Marlow discusses the e787 experiment and the lesson gained that rare kaon decay experiments are more difficult than they appear at first glance. Marlow describes the origins of the Belle project in Japan at KEK and its relationship to BaBar, and he explains how finding the Higgs was the capstone to the Standard Model. He surveys the current state of play in experimental particle physics and why he encourages students to follow their interests without overly analyzing future trends in the field. At the end of the interview, Marlow describes his current interest in studying displaced vertices and long-lived particle searches, and he muses that toward the end of his career, he wants to become more of a “graduate student” so that he can focus more exclusively on the physics that is most compelling to him.
Interview with Peter Zimmerman, Emeritus Professor of Science and Security in the War Studies Department, King’s College London. Zimmerman recounts his upbringing in Wisconsin and then New Mexico in support of his father’s work in civilian and military defense, and he describes his early interests in science. He discusses his undergraduate experience at Stanford and the influence of Walter Meyerhof, and his decision to remain at Stanford for graduate school. Zimmerman discusses his postdoctoral appointments at DESY and then Fermilab until his first faculty appointment at LSU. He explains his involvement with the nuclear issues at the federal level in the 1970s and his offer to join the ACDA. Zimmerman discusses his opposition to strategic missile defense and he explains how his policy analysis work at the Carnegie Endowment filtered its way into policymaking. He describes the debates around ending nuclear testing and his interest in looking at nuclear weapons in the context of international terrorism. Zimmerman explains the negative security ramifications of the ACDA being folded into the Department of State and he explains his move to become Chief Scientist of Senate Foreign Relations Committee. He describes the scene in Washington on 9/11 and the subsequent anthrax attacks in Congress, and he explains why he never believed that Saddam Hussein had a WMD capability before the Iraq War. Zimmerman discusses his professorship in London and his opportunity to create a new center on science and security, and he shares his perspective on the JCPOA and what bothered him the most about Trump’s foreign policy decisions. At the end of the interview, Zimmerman reflects on how to best translate scientific analysis into good policy outcomes, and why a lack of public interest or media coverage should never make us lose sight of ongoing security threats.
Elliott Bloom, Professor Emeritus of Particle Physics and Astrophysics at SLAC, recounts his childhood in Brooklyn and then in Los Angeles, and he describes his early interests in physics. He discusses his undergraduate experience at Pomona College where he became interested in particle physics and cyclotrons. Bloom describes his graduate work at Caltech, where he worked under the direction of R.L. Walker and did his thesis experiment on studying gamma ray production of charged pions from hydrogen or deuterium. He discusses his postdoctoral research at SLAC to work with Richard Taylor, who was building spectrometers in End Station A at the end of the linear electron accelerator. Bloom discusses his early interests in online computing and he describes the origins of the Parton model and his collaboration with Joe Ballam on BC-42. He explains his original involvement with axion research and the significance of the DORIS-II storage ring at DESY. Bloom discusses his subsequent work at the SLAC B-factory on PEP-II, he describes his interests in the COBE satellite, and he explains SLAC's entrée into astrophysics. He discusses the collaborative effort with NASA on the GLAST experiment and his focus with DOE support to understand dark matter. At the end of the interview, Bloom reflects on his career trajectory as part of a larger narrative of particle physicists who became engaged in astrophysics later in their careers, and why it is important for physicists to remain open to new avenues of inquiry.
Interview with Willy Haeberli, Professor of Physics Emeritus at the University of Wisconsin in Madison, Wisconsin. Haeberli recounts his childhood in Basel, Switzerland, and he describes his experiences as a student during World War II. He discusses his early interest in physics and his decision to pursue nuclear physics at the University of Basel under the direction of Paul Huber. Haeberli describes his graduate research on the ionization of gasses by alpha particles, and he describes the circumstances leading to his subsequent postdoctoral job at the University of Wisconsin, where he was attracted to work with Raymond Herb in accelerator physics. He explains some of the scientific and cultural adjustments in order to settle in at Madison, and he describes the central questions of the structure of atomic nuclei that propelled nuclear physics at that time. He describes his subsequent research at Duke University before returning to Madison to join the faculty, he describes his many research visits to ETH Zurich, the Max Planck Institute, Fermilab, Saclay, and at DESY in Hamburg, and he offers insight on some of the differences in approach between American and European accelerator labs. Haeberli reflects on his contributions to the study of polarized protons and deuterons and angular momentum assignments. He discusses his work developing gas targets of pure spin polarized hydrogen and deuteron atoms, and he describes the critical support of the DOE and the NSF for this research. Haeberli shares his feelings on being elected to the National Academy of Sciences, and he explains his preference teaching undergraduates to graduate students. At the end of the interview, Haeberli describes how the department of physics at Wisconsin has changes over his decades of service, and he explains how only with the benefit of historical hindsight can one distinguish the truly important advances in the field.
Interview with Nan Phinney, retired Distinguished Staff Scientist at SLAC. Phinney recounts her childhood in Chicago and her education in Catholic private schools. She describes her undergraduate education at Michigan State where she majored in physics – despite being discouraged by many men that this was not an appropriate field of study for women. Phinney describes the excitement and benefits of focusing on particle physics during such a fundamental era of discovery and she explains her decision to pursue a Ph.D. in physics with Jack Smith at Stony Brook. She discusses her involvement in efforts to discover the Z boson, and she describes her work at CERN. Phinney describes her interest in linear colliders and the circumstances leading to her employment at SLAC. She discusses her initial work on the control system for the SLC and explains how networking issues presented the biggest technical challenge for the project. Phinney describes the international culture of collaboration with projects at CERN and DESY, and she explains the impact of the B factory at SLAC. She discusses her role in the creation of the NLC and the mechanical breakdown leading to the end of the SLC. Phinney describes the origins of the ILC and some of the significant developments in superconductivity in the early 2000s. At the end of the interview, Phinney describes current research on electron-positron colliders, she discusses her work with the APS, and she explains how SLAC has changed both culturally and scientifically over the decades.
Interview with Allen Odian, Permanent Staff Physicist Emeritus at SLAC. Odian discusses his current work on the EXO 200 double beta decay search for xenon, and he recounts his Armenian heritage, his upbringing in Boston, and his early realization that he wanted to be a physicist. He describes his undergraduate work at MIT, and he explains his decision to remain there for graduate school to work at the synchrotron laboratory run by Louis Osborne. Odian discusses his thesis research on proton pairs under the direction of Al Wattenberg, and he describes his postdoctoral work in pulsed electronics at the University of Illinois. He explains his decision to pursue a Fulbright scholarship to work on the 1 GeV accelerator at Frascati, Italy, before returning to take a job at SLAC just as the lab was coming together. Odian conveys the frenetic pace of building and research during SLAC’s early years, and he describes Shelly Glashow’s direction to look for charmed mesons. He discusses his work on the streamer chamber, and he describes the interplay of theory and experiment for SPEAR. Odian describes his work for the SLC positron source and his advocacy for a streamer chamber at the SSC. He explains the significance of the Askaryen effect, his involvement in the development of the Fermi telescope and his research on the inverted polarized electron gun. Odian discusses the SLC’s value for millicharged particle research, he explains the origins of EXO 200 and his work on the heavy photon search at JLAB. At the end of the interview, Odian reflects on how his experimental work has provided guidance to theorists, he conveys the centrality of Panofsky’s vision and leadership at the center of SLAC’s success, and he explains his ongoing curiosity about the possible existence of Majorana neutrinos.