‘There is only one good - Knowledge and one evil - Ignorance’ thus spoke the great philosopher Socrates. Since time immemorial curiosity in man sought answers for the natural phenomenon that astonished and many times terrorized him. In this process few attained everlasting fame, but many of them also suffered untold miseries, persecution and even paid with their lives.
The history is replete with hundreds of such all time greats who shaped our way of thinking and living. It is beyond the scope of this book to deal with the lives and works of all the greats. About 100 great minds born before 1900AD are considered in this book. It is loaded with knowledge to assist those who desire improvements in their knowledge. It also helps persons considering competitive exams with easy access to the knowledge and wisdom of these great minds.