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Raphael M. Robinson




Born in National City , California , he was the youngest of four children of a lawyer and a teacher. In 1932 he graduated from the University Of California, Berkeley , where he also received M.A. in 1933 and finally Ph.D. on Complex Analysis in 1934 with title ''Some results in the theory of Schlicht Function s''. He invented Robinson Arithmetic .

In 1941 Robinson married Julia Bowman who later became the first female president of the American Mathematical Society .

Robinson, who worked in several fields of Mathematics , also discovered five new Mersenne Prime s in 1952 .