Benjamin S. P. Shen

Reese Flower Professor Emeritus of Astronomy and Astrophysics
(215) 222-5757


  • Reese Flower Professor of Astronomy and Astrophysics, 1972-96
  • (Emeritus since 1996)
  • Provost (interim), 1980-81
  • Member, National Science Board, 1990-94


Honors include:


  • Fellow, American Physical Society (1972). Fellow, AAAS.
  • Ordre des palmes académiques, France



D.Sc.d’Etat, physics, University of Paris, Orsay, 1964

Research Interests: 

Astrophysics, cosmic-ray physics

Spallation reactions induced by cosmic rays; variable compact galaxies. 

Selected Publications: 


  • High-Energy Nuclear Reactions in Astrophysics (W.A.Benjamin, 1967)
  • Spallation Nuclear Reactions and Their Applications (Reidel, 1976)