Today is the 121 Birth Anniversary of Srinivas Ramanujan,a famous Indian Mathematician,who, with almost no formal training in pure mathematics, made substantial contributions to mathematical analysis,number theory,infinite series and continued fractions.Recently his contributions have found applications in crystallography and string theory.
In the memory of Ramanujan, Tamil Nadu every year celebrates 22 December as 'State IT Day'. His contributions to Mathematics are well known.The contribution of G.H. Hardy a famous mathematician is also equally important, but when some body asked him what was his biggest contribution to Mathematics, Hardy told, Ramanujan was his biggest contribution to Mathematics,such was the genius of Ramanujan.
Here is his brief Profile.Profile
Born : 22 Dec 1887
Died : 26 April 1920
Birth Place : Erode, Tamil Nadu, India
1. Landau- Ramanujan Constant
2. Mock Theta Fuction
3. Ramanujan Prime
4. Ramanujan - Soldner Constant
5. Rogers- Ramanujan Identities
2. String Theory