Background
Leonard, Henry Siggins was born on December 19, 1905 in Newton, Massachusetts, United States. Son of Edwin P. and Lillian (Siggins) Leonard.
Leonard, Henry Siggins was born on December 19, 1905 in Newton, Massachusetts, United States. Son of Edwin P. and Lillian (Siggins) Leonard.
Bachelor of Arts, Harvard, 1927, Master of Arts, 1929, Doctor of Philosophy, 1931; student of University Munich, Germany, 1929-1930.
1 son, Henry Siggins. Tutor, instructor philosophy Harvard, 1931-1934, 35-37. Intsr. philosophy U. Rochester, 1934-1935.
Assistant and associate professor philosophy Duke, 1937-1949, Executive officer department philosophy, 1948-1949.
Head department philosophy Michigan State University, 1949-1961, university professor, since 1961. Member Institute for Advanced Study, Princeton, 1959-1961.
Member Institute for Advanced Study, Princeton, 1959-1961. Member American Philosophical Association (Executive Committee Western division 1955-1958, vice president 1962-1963, president, 1963-1964), Association for Symbolic Logic (Executive Committee 1938-1940), American Association University Professors, Charles South. Peirce Society, American Academy Political Science.
Married Priscilla Lermond Packard, October 2, 1929.