Who is the scientist in whose honour the "Chandra" X-ray telescope has been named?

1. The "Chandra" X-ray telescope, launched by NASA in 1999, was named in honour of the Indian-American astrophysicist Subrahmanyan Chandrasekhar. 2. He won the Nobel Prize in Physics in 1983 for his theoretical studies of the physical processes important to the structure and evolution of stars, particularly his work on the maximum mass of white dwarf stars (the Chandrasekhar limit). 3. The other scientists listed are famous but not the namesake for this telescope: C.V. Raman (Raman Effect), J.C. Bose (radio waves, plant physiology), P.C. Roy (chemist).