On April 21, 2013, math prodigy, astrologer, and philanthropist Shakuntala Devi breathed her last at 83 in Bengaluru. The dailies were abuzz, grieving the loss of this math whiz, better known to the ...

Shakuntala Devi walked onto stages around the world with no calculator, no notes and no safety net. What followed left audiences stunned. In seconds, sometimes less, she produced answers to sums that ...