1921- Murray Gell-Mann, Nobel Laureate in Physics (1969) for his contributions to the field of elementary particle physics, is most famous for having proposed the idea of the quark (and for haven chosen its name). George Zweig originated the same idea independently in the same year, 1964. Gell-Mann now studies complex adaptive systems at the Santa Fe Institute of which he is a founding member. He is the author of The Quark and the Jaguar, Adventures in the Simple and the Complex