From dibyo, came this question. Thanks dude. Mail in your questions to [email protected]
The person pictured is the fourth man to accomplish something (we know of some/all of the first three to do this). He retired from that life to become a full time artist in 1981. The other picture is that of him while painting one of his better known works. Identify him or the achievement

PS: Apologies for posting it late.
Cracked by: madhur , nishansolo , shenoyvarun86 , Dibyo , Shakeel , shyam , bobo , Tathagata Chatterjee , shivathilak , duriel , varuns88 , gammafunction , udupendra , shashank , Arun Warrier , Srikanth , jayanth , teju , Atul Mathew , Poornima , yaksha and nofreebrains.
madhur, nishansolo, shenoyvarun86, Dibyo, Shakeel, shyam, bobo, Tathagata Chatterjee, shivathilak, duriel, varuns88, gammafunction, udupendra, shashank, Arun Warrier, Srikanth, jayanth, teju, Atul Mathew, Poornima, yaksha and nofreebrains
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(Thanks to Poornima for pointing out that the answers were missing)