When scientists of the past achieve perfection after their hard work, we are amazed to see the incredible and amazing powers they possess, just like the sages of that time. From treating incurable diseases to going into space - what is their capability today! Immediately, our curiosity about those scientists and their amazing discoveries also becomes aroused. Starting from the fifth century BC to the very recent times - these forty-nine world-famous scientists and their discoveries of two and a half thousand years, 'Scientists from India and Abroad' will satisfy our curiosity.