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| Laurence W. Foster | |
|---|---|
| Name | Laurence W. Foster |
| Birth date | 1938 |
| Birth place | Cambridge, Massachusetts |
| Nationality | American |
| Fields | Astrophysics, Condensed matter physics, Optical astronomy |
| Alma mater | Massachusetts Institute of Technology, Harvard University |
| Doctoral advisor | Philip Morrison |
| Known for | Adaptive optics, telescope instrumentation, stellar spectroscopy |
| Awards | National Medal of Science, Royal Astronomical Society medals |
Laurence W. Foster
Laurence W. Foster is an American physicist and astronomer noted for pioneering work in astronomical instrumentation, adaptive optics, and stellar spectroscopy. Over a career spanning institutions including Massachusetts Institute of Technology, Harvard University, California Institute of Technology, and national observatories such as Palomar Observatory and Kitt Peak National Observatory, he advanced techniques that bridged optical engineering and observational astronomy. Foster's research influenced projects at agencies and laboratories including the National Science Foundation, National Aeronautics and Space Administration, and Lawrence Berkeley National Laboratory.
Foster was born in Cambridge, Massachusetts and raised amid the academic milieu of Harvard University and Massachusetts Institute of Technology affiliates in the Boston area. He completed undergraduate studies at Massachusetts Institute of Technology where he studied physics under faculty from Harvard College and worked in laboratories connected to Lincoln Laboratory. For graduate work he attended Harvard University, earning a Ph.D. under the supervision of Philip Morrison with a dissertation focused on optical detection methods influenced by contemporary research at Bell Labs and the Jet Propulsion Laboratory. During his doctoral training Foster collaborated with researchers from Princeton University, Yale University, and the University of Chicago on early spectroscopic surveys combining techniques from Columbia University optical groups and instrumentation teams at Carnegie Institution for Science.
Foster began his academic career as a postdoctoral fellow at California Institute of Technology where he worked alongside groups associated with Palomar Observatory and the Mount Wilson Observatory instrumentation programs. He joined the faculty at Massachusetts Institute of Technology and later held joint appointments at Harvard-Smithsonian Center for Astrophysics and University of California, Berkeley, collaborating with teams from Lawrence Livermore National Laboratory and Sandia National Laboratories on detector development. Foster served on advisory panels for National Science Foundation, NASA, and the Office of Science and Technology Policy, contributing to strategic planning for observatory upgrades at Kitt Peak National Observatory and next-generation instrumentation at Keck Observatory and Very Large Telescope consortia. His laboratory maintained partnerships with industrial firms such as Honeywell and RCA for sensor and mirror technologies.
Foster's technical contributions span adaptive optics, wavefront sensing, and high-resolution spectroscopy. Building on foundational work by teams at Cambridge University and University of Rochester, he developed deformable mirror control algorithms later adopted by projects at Keck Observatory, Gemini Observatory, and the European Southern Observatory. His group produced seminal designs for Shack–Hartmann sensors collaborating with researchers from Imperial College London and ETH Zurich, and contributed to coronagraphy techniques used in proposals to NASA Goddard Space Flight Center and Jet Propulsion Laboratory for exoplanet studies. In stellar astrophysics Foster applied precision spectroscopy methods in programs linked to Palomar Observatory Sky Survey and the Sloan Digital Sky Survey teams, improving radial velocity measurement accuracy employed by groups at Carnegie Institution for Science and Max Planck Institute for Astronomy. He published influential papers coauthored with scientists from Princeton Plasma Physics Laboratory, University of Cambridge, and University of Tokyo on noise reduction in photon-limited regimes relevant to Hubble Space Telescope and ground-based interferometry projects like the Very Large Array and Center for High Angular Resolution Astronomy. Foster's instrumentation prototypes informed large-scale facilities including Subaru Telescope, Large Binocular Telescope, and designs for space missions studied by European Space Agency and NASA Jet Propulsion Laboratory teams.
Foster received major recognitions for his interdisciplinary impact. He was awarded the National Medal of Science and honored by the Royal Astronomical Society with a medal acknowledging contributions to observational techniques. His work earned fellowships and prizes from professional societies including American Physical Society, Optical Society of America, and the American Astronomical Society. Universities such as Harvard University, Massachusetts Institute of Technology, and University of California, Berkeley bestowed honorary degrees and named lecture series; he served as a visiting scholar at Institute for Advanced Study and delivered plenary addresses at conferences organized by International Astronomical Union, SPIE, and the American Association for the Advancement of Science.
Foster maintained collaborations across continents with colleagues at University of Oxford, Max Planck Society, CSIRO, and institutions in Japan and Chile, mentoring students who went on to leadership at Keck Observatory, European Southern Observatory, and major university departments. He was active in outreach partnerships with museums and planetaria such as American Museum of Natural History and Griffith Observatory and contributed to education initiatives supported by National Science Foundation and regional science centers. His instrumentation blueprints and open-source control software influenced subsequent generations of engineers at NASA Ames Research Center and Jet Propulsion Laboratory. Foster's legacy endures in adaptive optics systems deployed on observatories worldwide and in the cadre of researchers at institutions like Caltech, Stanford University, and Princeton University who trace methodological lineages to his laboratory.
Category:American physicists Category:American astronomers Category:1938 births Category:Living people