You might also like to read this interview of Kanigel on his book and how he researched on Ramanujan. http://www.thehindu.com/opinion/interview/article2747541.

You might also like to read this interview of Kanigel on his book and how he researched on Ramanujan. http://www.thehindu.com/opinion/interview/article2747541.ece http://www.thehindu.com/opinion/interview/article2747541.ece PS: I was half inclined to share this interview (instead of the article, this is also quite interesting)