Philip Sadler
Director, Science Education Department


  • Academic standards
  • Advanced placement
  • Assessment
  • College preparation
  • High schools
  • Math
  • Professional development
  • Science
  • STEM education
  • Teacher assessment

Philip Sadler is the director of the Harvard-Smithsonian Center for Astrophysics’ science education department and a F.W. Wright senior lecturer in astronomy. He co-authored the first integrated computer and laboratory introductory calculus course in 1975 and has taught middle school mathematics, science and engineering, undergraduate astronomy, and graduate teaching courses. He has also founded three companies and holds five patents. Sadler’s research interests include assessment of students’ misconceptions and how they change with instruction, the transition to college of students who wish to purse STEM careers, and the professional development of teachers. Sadler won the Journal of Research in Science Teaching Award, the American Institute of Physics’ Computers in Physics Prize, the American Astronomical Society Education Prize, and the American Association of Physics Teachers’ Millikan Medal. Curricula and materials developed by Sadler are used by an estimated 15 million students every year. He holds a bachelor’s degree in physics from the Massachusetts Institute of Technology and a doctorate from Harvard.