Some of greatest social reformers and philosophers came from Kolkatta... Be it Vivekananda or Raja Rammohan roy or Tagore.
but all of them lived before the CPM rule of 1970s...
the 4 nobel prize winners of Bengal all were born and grew up in a Bengal where there was no CPM rule.
30 years of CPM rule has destroyed all spirit of inquiry and sense of thinking among the elite and created a communist worshipping class blindly worships Mao, Marx and Buddhadeb