. "1975-10-10Z"^^ . "Norman Levinson (August 11, 1912 in Lynn, Massachusetts \u2013 October 10, 1975 in Boston) was an American mathematician. Some of his major contributions were in the study of Fourier transforms, complex analysis, non-linear differential equations, number theory, and signal processing. He worked closely with Norbert Wiener in his early career. He joined the faculty of the Massachusetts Institute of Technology in 1937."@en . . . "1975Z"^^ . "1912Z"^^ . "American mathematician" . . "Levinson, Norman"@en . . . "Norman Levinson"@en . . "1912-08-11Z"^^ . .