She is a Polish scientist, famous for her work on Radioactivity.She was the first woman to win a Nobel Prize, the first person (and only woman) to win twice, the only person to win twice in multiple sciences, and is part of the family legacy of five Nobel prizes.
He isthe former Lucasian Professor of Mathematics at the University of Cambridge and author of best seller, A brief history of time. He is suffering through a motor neuron disease which has left him paralysed. He communicates through a speech- generating device.
He is an American computer programmar.He founded the famous social networking site face book along with his friends from the Harvard University.
