| DE BROGLIE, PRINCE LOUISEVICTOR ( 1892 - 1987 ) |
| He was a French physicist who put forth revolutionary idea of wave nature of matter. |
| RUTHERFORD, ERNEST ( 1871-1937) |
| He was a British Physicist, who discovered alpha - rays and beta - rays, created modern theory of radio activity, proposed the planetary model of atom & estimated the approximate size of the nucleus. |
| BOHR, NIELS HENRIK DAVID ( 1885 -1962 ). |
| He was a Danish physicist who explained the spectrum of hydrogen atom based or quantum ideas; & he gave a theory of nuclear fission based on the liquid - drop model of nucleus. |
| FERMI ENRICO ( 1901 - 1954 ). |
| He was an Intalian physicist who studied nuclear transmutations and discovered fermions. He developed the atomic pile and the first controlled nuclear chain reaction. |
| CURIE, MAIRE NEE SKLADOWAKA ( 1867-1934 ). |
| She was born in poland & recognized both as a physicist and as a chemist. She along with her husband isolated radium and polonium. She was the first person to be awarded two Nobel Prizes - for physics in 1903 and for chemistry in 1911. |
| S. CHANDRASEKHAR (1910-1995): |
| He was born in Lahore, India 1910. He was with the University of chicago, USA since 1937 after taking his education in India and Cambridge University, England. On the basis of his theory of white dwarfs, he derived the well-known Chandrasekhar's limit for their masses. He was awarded the Nobel Prize in 1983. |
| Nicolaus Copernicus (1473-1543): |
| He was born in Poland. He studied medicine and law in addition to astronomy. His book is 'De revolutionibus orbium celestium'. By introducing his heliocentric theory of the solar system, revolutionized astronomy. |
| Edwin Hubble ( 1889-1953 ): |
| He was an American astronomer originally trained in law and was also good at athletics and boxing. He made an important discovery known as 'Hubble's Law. His indication of the existence of exchange of extragalactic nebulae initiated the study of the Universe beyond our galaxy. |
