James Webb Space Telescope (Spacecraft)

Interview with Grant Tremblay, astrophysicist at the Harvard-Smithsonian Center for Astrophysics. Tremblay recalls his childhood in Maine, his early interest in astronomy, and the formative experience of seeing a space shuttle launch. He discusses his undergraduate studies in physics and astronomy at University of Rochester. Tremblay then describes his time as a research assistant at the Space Telescope Science Institute before entering a PhD program at the Rochester Institute of Technology, where he did thesis work on cool core clusters. Tremblay discusses his postdoctoral fellowship at the European Southern Observatory, as well as his time working under Meg Urry as a NASA Einstein Fellow at the Yale Center for Astronomy and Astrophysics. He details his involvement with the Chandra X-Ray Observatory in addition to the Lynx X-Ray Observatory. Tremblay describes his role as vice-chair for NASA’s Astrophysics Advisory Committee, his involvement in the American Astronomical Society, and the New Great Observatories Community Coalition which he founded in 2020. Tremblay also speaks about his involvement in space policy, issues around congressional support, and the importance of continued government investment in science. 

This is an interview with Edward Weiler, who served as chief scientist of the Hubble Space Telescope from 1979 to 1998, as NASA Associate Administrator for science activities from 1998 to 2004 and again from 2008 to 2011, and as director of the Goddard Space Flight Center from 2004 to 2008. The interview focuses primarily on his work relating to Hubble and the James Webb Space Telescope. Subjects addressed include his work developing international collaboration, and he explains the value of his strong working relationship with David Southwood of the European Space Agency. Weiler details his involvement with the correction of the spherical aberration afflicting Hubble’s primary mirror. He highlights NASA Administrator Dan Goldin’s role in establishing the scope of the Webb telescope, and he offers his views on the project’s troubles and the 2010 review chaired by John Casani that diagnosed sources of its cost growth and schedule slippage. Weiler also recounts his motivations for retiring from NASA in 2011, his activities since then, and he expresses his perspective on matters such as human space flight, lunar exploration, and the value of international partnerships in space science.

Interview with Matt Mountain, President of the Association of Universities for Research in Astronomy (AURA), and Telescope Scientist & Science Working Group member for the James Webb Space Telescope (JWST). Mountain recounts growing up in the UK and his early interest in science. He reflects on his time at Imperial College London, where his interest in astronomy suited his background in physics and his work on the infrared. He describes drifting away from theoretical physics and moving towards building instruments, later building one of the first infrared spectrographs for his PhD dissertation. He recounts his recruitment to the Royal Observatory Edinburgh by the Astronomer Royal Malcolm Longair, where he would help build CGS4 for the UKIRT telescope. Mountain recalls working with Tim Hawarden on his idea of passive cooling, which would later be used JWST. He describes being appointed as the project scientist for the Gemini project, leading to his move to the U.S. He explains having to learn and understand the US political system in relation to science, particularly the way astronomy is funded. He credits his time in Edinburgh with teaching him the importance of effective communication between engineers and scientists, which would prove crucial for his role as Gemini director and later projects. Mountain discusses his later role as director of the Space Telescope Science Institute and the early conversations on a next generation space telescope. He details his role as telescope scientist for the Webb telescope and his perspective on international space science partnerships. He reflects on the budget concerns and schedule delays surrounding the Webb telescope and the later working conditions during the Covid-19 pandemic. Towards the end of the interview, Mountain discusses some of the science from JWST, his current role at AURA, and the future of astronomy.

In this interview, astronomer Peter Jakobsen discusses his involvement with the Hubble and James Webb Space Telescopes during his life-long career at the European Space Agency (ESA). He recounts his early childhood growing up in Cincinnati and later returning to his hometown in Denmark, where he attended the University of Copenhagen. He reflects on his time at the Laboratoire d’Astronomie Spatiale in Marseille during his Master’s degree and his time at Berkeley working in the Space Astrophysics Group led by Stu Bowyer. Jakobsen discusses his job as Project Scientist for the European involvement in the Hubble Space Telescope, the development of ESA’s Faint Object Camera, and the discovery of the spherical aberration. He details his role in the development of COSTAR and Hubble’s repair missions. Jakobsen recalls being skeptical of the initial talks for the Next Generation Space Telescope, but later taking on a key role for the European side of the project. He also recalls the competition between the contractors working on the initial design phase for NIRSpec. Jakobsen gives an account of his last years at ESA and the conditions that led to his retirement from the agency in 2011. He gives his perspective on Webb’s launch and reflects on the budget and schedule delay concerns. He discusses his post-retirement technical work and the guaranteed observing time program for JWST. Towards the end of the interview, Jakobsen describes his current focus with NIRSpec and his reflections on the future of astronomy.

In this interview, astronomer Massimo Stiavelli discusses his involvement with the Hubble and James Webb Space Telescopes. He recounts his early childhood growing up in Italy, higher education at the Scuola Normale Superiore in Pisa, and his interest in elliptical galaxies. He reflects on his time as a postdoctoral researcher at Rutgers University, his time at the European Southern Observatory, and his role deriving signs from the Hubble Space Telescope’s aberrated data. Stiavelli discusses his position with the European Space Agency in Baltimore, along with the initial developments of the Next Generation Space Telescope. He also offers his perception on the Space Telescope Science Institute and the scientists working there. He recalls his early involvement with the NGST’s Science Working Group, his role as Project Scientist, and his perspective on the growing schedule and budget delays that led to Congressional hearings. Stiavelli also recalls the impact of the Covid-19 pandemic on the final stages of Webb’s development, the launch, and its current operation. The interview concludes with an overview of Stiavelli’s views on the future of cosmology and the impact of JWST.

Interview with Anne Kinney, Deputy Center Director of the NASA Goddard Space Flight Center. Kinney recounts her childhood in Wisconsin and her early interests in science. She describes her undergraduate experience at the University of Wisconsin where she pursued degrees in physics and astronomy. Kinney discusses her time in Denmark at the Niels Bohr Institute before completing her graduate work at NYU relating to the International Ultraviolet Explorer. She explains the opportunities leading to her postdoctoral appointment at the Space Telescope Science Institute in Baltimore where she focused on obtaining optical data and near-infrared data to understand spectral energy distribution for quasars and blazars. Kinney discusses her work on the aberrated Hubble Telescope and her new job at NASA Headquarters where she became head of Origins before she was transferred to Goddard where she became division direct of the Planetary Division. She describes Goddard’s efforts to promote diversity and she describes her subsequent position as chief scientist at Keck Observatory before returning to Washington to join the National Science Foundation to be head of the Directorate for Mathematical and Physical Sciences. Kinney provides a broad view of the NSF budgetary environment, and she explains the circumstances that led her back to NASA to her current work. She describes where Goddard fits into NASA’s overall mission and she explains her interest in promoting NASA in an educational framework to children. At the end of the interview, Kinney conveys her excitement about the James Webb Telescope and why she is committed to ensuring that NASA is a driver behind the broader effort to make astronomy and physics more diverse.