October 19 2017:    Google has honoured Indiann astrophysicist Subrahmanyan Chandrasekhar,   on his 107th birth anniversary  with a doodle in 28 countries. 
He was awarded the 1983 Nobel Prize for Physics with William A. Fowler "for his theoretical studies of the physical processes.  Born  on October 19  1910 In Lahore ( today in Pakistan), Dr Chandrasekahar died on August 21 1955.  The doodle uses GIF  animation to illustrate the “Chandrasekhar Limit”