Old Question

Connect....

Thomas Young. Answered by Surbhi, Ammu, Ashwin and Dharma Teja
Initial contribution in deciphering the Rossetta stone before Champollion, Young's work on interference and young's modulus (for elasticity)

Time for some Music

not an exhaustive list, but these depict the works of??

Richard Wagner. Ride of the valkyries, Achilles, Jesus of Nazareth and The Flying Dutchman. Answered by Insensitive Bigot aka Obi aka Ashwin (after a clue) and Varun

Addition

Pic 1+ Pic 2 = Pic 3 in what context

IBM Watson Computer that took part in jeapordy....
Watson's on stage appearance comes from IBM Smart Planet+42 lines criss-crossing it, taken from HHGTG and name Watson comes from IBM's first CEO James Watson Sr
Answered by Nipun and Arjun (buzz)

Indian Pyramid

A concept developed by an Indian is demonstrated in this pic. Id the concept and person. Easier one and I think repeated question

C.K.Prahlad and the concept is Fortune at the bottom of the pyramid
Answered by Anand Ramachandran, Rohit C J and Asif (from buzz)

Guests

Who is making this special appearance in Simpsons? (the guy with the grey hair btw)

Mohammad Yunus as correctly answered Aditya Palnitkar, Shiva Shankar, Ayan, Ammu, Joshan, Shardul Lavekar