| October 19, 1910 | Born in Lahore to Sita Balakrishnan and Chandrasekhara Subrahmanya Ayyar. |
| 1918 | Moved to Madras |
| 1925-1930 | B.Sc. Physics student at Presidency College, Madras |
| 1929-1939 | Studies of White Dwarf Stars |
| 1930-1933 | Ph.D. student at Cambridge, under R.H. Fowler |
| 1931-1932 | Papers on white dwarf stars |
| January 11, 1935 | Battle with Eddington at the RAS |
| September 1936 | Married Lalitha Doraiswamy |
| January 1937 | Moved to Yerkes Observatory, University of Chicago |
| 1939 | Publishes Introduction to the Study of Stellar Structure |
| 1938-1943 | Studies of Stellar Dynamics |
| 1942 | Publishes Principles of Stellar Dynamics |
| 1943-1950 | Studies of Radiative Transfer |
| 1950 | Publishes Radiative Transfer |
| 1952 | Editor of Ap.J. (till 1971) |
| 1952-1961 | Studies of Hydrodynamic and Hydromagnetic Stability |
| 1961 | Publishes Hydrodynamic and Hydromagnetic Stability |
| 1961-1968 | Studies of Figures of Equilibrium |
| 1968 | Publishes Ellipsoidal Figures of Equilibrium |
| 1962-1971 | Studies of GR and Relativistic Astrophysics |
| 1974-1983 | Studies of the Mathematical Theory of Black Holes |
| 1983 | Publishes The Mathematical Theory of Black Holes |
| 1983 | Nobel prize for physics |
| August 21, 1995 | Died in Chicago |