. . . . "American mathematician" . "1973-12-06Z"^^ . . "1895Z"^^ . . "1973Z"^^ . . "Joseph Leonard \"Joe\" Walsh (September 21, 1895 \u2013 December 6, 1973) was an American mathematician who worked mainly in the field of analysis. The Walsh function and the Walsh\u2013Hadamard code are named after him. The Grace\u2013Walsh\u2013Szeg\u0151 coincidence theorem is important in the study of the location of the zeros of multivariate polynomials.He became a member of the National Academy of Sciences in 1936 and served 1949\u201351 as president of the American Mathematical Society."@en . "Walsh, Joseph Leonard; Walsh, Joe"@en . . . . . "1895-09-21Z"^^ . . "Walsh, Joseph L."@en . . . "Joseph L. Walsh"@en . .