Walter H. G. Lewin, Ph.D. is a Dutch astrophysicist and professor emeritus of physics at the Massachusetts Institute of Technology. Lewin achieved his PhD in nuclear physics in 1965 at the Delft University of Technology and came to MIT in 1966. Lewin's major contributions in astrophysics include the discovery of the first slowly rotating neutron star through all-sky balloon surveys, research in X-ray detection in investigations through satellites and observatories worldwide. Lewin is well known for his popular lectures on physics and massive online courses taught on edX and MIT OpenCourseWare. 

January 29th, 1936 in The Hague (Age 88)