Category : Nobel Prize

Carl Sagan Carl Edward Sagan was an American astronomer, astrophysicist, cosmologist, author, science popularizer and science communicator in astronomy and natural ... -->
Palya diren
Author: 4 years ago
Ivan Petrovich Pavlov (Russian: Ива́н Петро́вич Па́влов; 26 September [O.S. 14 September] 1849 – 27 February 1936) was a famous Russian physiologist. From his childhood days Pavlov ... -->
admin
Author: 4 years ago