Linus Pauling, born February 28, 1901, (d.1994) was an American chemist, biochemist, chemical engineer, peace activist, author, and educator. He published more than 1,200 papers and books, of which about 850 dealt with scientific topics. New Scientist called him one of the 20 greatest scientists of all time.
Pauling was one of the founders of the fields of quantum chemistry and molecular biology. He is also one of only two people to be awarded Nobel Prizes in different fields – Nobel Prize for Chemistry, 1954; Nobel Peace Prize, 1962.