Interview with Abel Méndez, professor of physics and astrobiology at the University of Puerto Rico at Arecibo. In this interview, Professor Méndez discusses his upbringing in Puerto Rico and early interest in astronomy, his education at the University of Puerto Rico and work at Fermilab, and the early stages of his work on astrobiology with NASA. He describes the origins of the Planetary Habitability Lab at Arecibo and his work studying exoplanets for potential suitability for life. Finally, he discusses the work environment at Arecibo, the impact of Hurricane Maria on Puerto Rico, the collapse of the telescope’s dish, and the potential future of the Observatory.
Division of Planetary Science Meeting, Washington, D.C.
Abstract
Interview with Paul Sanchez, senior research associate at the Colorado Center for Astrodynamics Research at University of Colorado, Boulder. Sanchez recounts his childhood in Ecuador, where be discovered an early interest in math and attended a military academy for high school. He describes attending the National Polytechnic School in Ecuador and choosing to focus on physics. Sanchez then discusses his decision to pursue a PhD at the University of Nottingham, originally to work on superconductivity but shifted focus to materials sciences and granular matter. Sanchez talks about wanting to return to Ecuador after completing his PhD, but describes the difficulties in finding a job in his home country due to the relative lack of a robust scientific tradition. He recounts his decision to accept a postdoctoral position at University of Rennes 1 in France, where he worked on super stable heaps. Sanchez then describes the events leading him to the University of Colorado. He ends the interview by emphasizing the importance of being willing to learn and adapt as you navigate a career in the sciences.
Interview with Lynwood Randolph, physicist and former space program administrator at NASA. Randolph recounts his childhood in a segregated Richmond and remembers his love for music as well as his introduction to physics in high school. He explains his decision to attend Virginia State University, where he participated in the ROTC program and served in the military upon graduation. After his service, Randolph decided to pursue graduate school and received a National Defense Education Act fellowship to attend Howard University. He explains his focus on experimental work during his graduate studies, pertaining to radiation effects and optical properties of materials. Randolph began a summer job at Harry Diamond Laboratories in DC, where he went on to work for 10 years. Randolph discusses the limitations in the types of jobs available to African Americans at the time, and explains the opportunity at NASA that led him to spend 23 years there. He served in many roles such as Manager for Advanced Concepts in the office of Aeronautics and Space Technology, Chief of the Management Programs Branch, and, later, Information Technology Standards Manager. Randolph reflects on the diversity within NASA over the years and how technology innovations impacted the workplace landscape. He discusses his work with HBCUs and his creation of LES Associates, a consulting company that works in a variety of educational and technological areas. Randolph concludes the interview with reflections on the importance of mentorship and diversity within the field.
In this interview, Saul Perlmutter, Professor of Physics at UC Berkeley and Staff Scientist and senior faculty member at Lawrence Berkeley National Laboratory, discusses his life and career. Perlmutter shares that his research has not been slowed down by the pandemic by happy coincidence that he is currently focused on remote data analysis, and he recounts his childhood in Philadelphia where he was educated in Quaker schools. He discusses his early fascination with quantum mechanics and his decision to go to Harvard for his undergraduate education, where he cemented his interests in experimental physics. Perlmutter explains his decision to go to Berkeley for graduate school, where he worked in Buford Price’s group before Richard Muller became his graduate advisor. He discusses his early awareness of the cosmic microwave background and how he became involved with robotic searches for supernovae. Perlmutter describes the importance of NASA’s BITNET program as a way to connect observatory data worldwide to the computer systems at Berkeley, and he explains the intellectual and observational connections between the inflation, expansion, and acceleration of the universe. He discusses his postdoctoral research at Berkeley, and the circumstances leading to him becoming leader of the supernova group and how the DOE became more involved in astrophysics funding. Perlmutter explains the group’s focus on deceleration and he conveys the difficulties in scheduling telescope time to demonstrate spectroscopy proof of type Ia supernovae. He describes the origins of the SNAP satellite project, some of the early theoretical discussions on the nature of dark energy, and when, finally, his group secured long-term support from the Lab. Perlmutter narrates his first interactions with Brian Schmidt and Adam Riess and he describes the batch technique that could predict the discovery of supernovae, which vastly improved the efficiency of scheduling time on large telescopes. He explains the role of dark matter in speeding up the universe’s expansion, and he narrates the celebration with his team when he won the Nobel Prize and how he has chosen the use the political platform that comes with this recognition. Perlmutter discusses his interest in studying climate change, and at the end of the interview, he conveys his excitement about future observational discovery in astrophysics and cosmology.
Interview with Peter L. Bender, Senior Research Associate at the University of Colorado and the Joint Institute for Laboratory Astrophysics (JILA) in Boulder. Bender recounts his childhood in New Jersey, he describes his undergraduate focus in math and physics at Rutgers, and he explains his decision to pursue a graduate degree in physics at Princeton to work with Bob Dicke. He discusses his dissertation research on optical pumping of sodium vapor, which was suggested by Dicke as a means of doing precision measurements of atoms. Bender discusses his postdoctoral research at the National Bureau of Standards, where he focused on magnetic fields and he narrates the administrative and national security decisions leading to the creation of JILA in Boulder, where the laboratory would be less vulnerable to nuclear attack. He describes his work on laser distance measurements to the moon and his collaborations with NASA, and he discusses his long-term advisory work for the National Academy of Sciences and the National Research Council. Bender describes the origins of the NASA Astrotech 21 Program and the LISA proposal, he explains his more recent interests in massive black holes, geophysics and earth science, and he explains some of the challenges associated with putting optical clocks in space. At the end of the interview, Bender reflects on the central role of lasers in his research, and he explains the intellectual overlap of his work in astrophysics and earth physics, which literally binds research that is based both in this world and beyond it.
Interview with Roald Sagdeev, professor of physics emeritus at the University of Maryland. He recounts his family’s ethnic Tatar heritage, his childhood in Kazan, and his family’s experience during World War II. Sagdeev describes his physics education at Moscow State University, and how he felt regarding the larger issues of physics and Soviet national security – especially during his time in Sarov, which was the equivalent of Los Alamos National Lab for nuclear weapons research. He discusses his work on radiation transport in stellar atmospheres, his subsequent research at the Kurchatov Institute, and his graduate research in controlled nucleosynthesis under the direction of Lev Landau. Sagdeev describes this time as the origins of his expertise in plasma physics and he explains the work he was doing at a classified site in Siberia. He explains how major Cold War events including the Cuban Missile Crisis and nuclear diplomacy affected his career and his moral satisfaction in not contributing to weapons science. Sagdeev discusses his work at the Institute of Physics of High Temperatures, and his developing interests in astrophysics, and he explains his subsequent tenure at the Space Research Institute of the Academy of Sciences, and why the American moon landing demonstrated that Russia had ceded its dominance in the Space Race. He explains why manned space missions were always more politicized than unmanned missions and describes the political value of the Soviet-US Soyuz-Apollo test project as an opportunity for “hand shaking in space.” Sagdeev discusses his experiences advising Gorbachev on disarmament negotiations, and he shares his perspective on SDI and why it was actually the Pershing missile system that contributed more to the Soviet collapse than U.S. defense spending under Reagan. He describes witnessing the end of the Cold War as watching a movie in slow motion, and he explains how he met Susan Eisenhower and the circumstances leading to his move to the United States, where he joined the faculty at the University of Maryland and served as an adviser to NASA. Sagdeev explains his current interests in intergalactic shock waves and he shares his ideas on the newly formed U.S. Space Force and the weaponizing of space. At the end of the interview, Sagdeev shares that if he could start his career all over again, he would focus on neuroscience.
In this interview, Steven Squyres discusses: taking Chief Scientist position at Blue Origin; current interests in planetary science including the shift toward sample return missions; changes to human and robotic spaceflight; private enterprise’s emerging role; family background; decision to attend Cornell undergrad in geology; how a course on the results of the Viking mission influenced his decision to pursue robotic exploration of the solar system; involvement in underwater exploration; PhD at Cornell under Carl Sagan and Joe Veverka for the Voyager project; details of the Voyager mission; dissertation work on the geology and geophysics of Ganymede and Callisto with Gene Shoemaker; postdoc and later job with Pat Cassen and Ray Reynolds at NASA Ames; working on Mars with Michael Carr; reaction to the Challenger tragedy; decision to take position at Cornell and to study the Martian surface; 10 years of proposals to NASA, including one that led to Spirit and Opportunity; Martian habitablity; question of how life arises from non-living material; details of his approach to the Martian geological exploration project; discussion of Spirit and Opportunity’s “honorable” demises; experience as rover’s Primary Investigator (PI) and his internal management strategies; communicating information to the press; reflections on the nature of science; conclusions from Spirit and Opportunity missions; involvement with the Magellan mission; work on the Cassini imaging system; chairing NASA’s planetary decadal survey 2013-2023, recommending Europa Clipper and Perseverance; chairing the NASA Advisory Council; writing Roving Mars; stories of innovative problem-solving from the rover missions; meteorite science; reflections on his time as faculty at Cornell; transition to Blue Origin; and his long-term view of potential space occupation and habitation. Toward the end of the interview, Squyres reflects on the question of whether other lifeforms exist and on the importance of experimentation to answer that question.
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 Jonathan Dorfan, emeritus director of SLAC, and emeritus president of the Okinawa Institute of Science and Technology, Graduate University. Dorfan recounts his childhood in South Africa and his experiences with apartheid, and he explains how he developed his early interests in science. He discusses his time at the University of Cape Town and a formative visit he made to SLAC where his older brother was working. Dorfan describes his subsequent studies at UC-Irvine and he explains his interest in pursuing a graduate degree in particle physics and high-energy physics during the excitement surrounding the Standard Model. He discusses his move to SLAC to conduct research with rapid cycling bubble chambers which turned into his thesis. Dorfan describes his postdoctoral research at SLAC with Martin Perl and his involvement with the Mark I and Mark II experiments, and he describes the opportunities leading to his faculty position at SLAC. He discusses the centrality of the B-factory project, and he describes his considerations when he was offered the directorship at Fermilab. Dorfan describes the impact of the rise and fall of the SSC on SLAC, and he explains the leadership positions which at a certain point put him on track to assume the directorship of SLAC. He describes SLAC’s entrée to astrophysics and the strategic partnership it developed with NASA, and he reflects on whether this transition would have been conceivable to Panofsky’s founding vision for the lab. Dorfan describes the changing culture of SLAC and its increasingly bureaucratized nature toward the end of his directorship, his work in support of advancing cancer research at Stanford, and he discusses the circumstances leading to his directorship of the Okinawa Institute. At the end of the interview, Dorfan emphasizes continuity over change as the dominant theme of his career in science with an arc that has increasingly bent toward concerns of broad societal relevance.
Interview with Sean O’Keefe, Professor at the Syracuse University Maxwell School of Citizenship and Public Affairs. O’Keefe describes moving around as a child when his father worked for the Navy. He discusses his undergraduate work at Loyola in New Orleans, and he explains his interest in pursuing a career in public service in the post-Watergate, post-Vietnam era when there was much cynicism about working for the government. O’Keefe describes his participation in the Presidential Management Intern Program and his work for the Department of the Navy and after that, for the Appropriations Committee on Capitol Hill, where he worked on budgetary policy against the backdrop of the Cold War in the 1980s. He describes his work at Comptroller for the Department of Defense where he worked on identifying budgetary waste at the Pentagon. O’Keefe describes the scene at the Pentagon during the Gulf War, and he discusses the opportunity that led to him becoming Secretary of the Navy. He describes his career prospects outside of government after George H.W. Bush lost re-election and the opportunity leading to his professorship at Syracuse University, where he mentored students in public service leadership. O’Keefe describes being named NASA administrator in the administration of George W. Bush and some of the challenges he encountered coming from a defense background. He discusses the tragedy and his strategy in dealing with the Space Shuttle Columbia disaster, both in terms of lessons learned from the engineering failures, and the grief that he shared with the families of the astronauts who died. O’Keefe describes some of the ways he attempted to turn the disaster into institutional opportunity at NASA and its impact on the Hubble space servicing mission. He describes his decision to become Chancellor at Louisiana State University, where he focused on building up the school’s endowment, dealing with Hurricane Katrina, and working to keep LSU graduates in the state. O’Keefe describes his tenure as CEO of Airbus North America before returning to Syracuse to teach in his current position. At the end of the interview, O’Keefe reflects on what he has learned about organizational leadership over the course of his career, and what he tries to convey to his students as they prepare to become the nation’s next generation of leaders.
