H. J. Ryser, Date of Birth, Place of Birth, Date of Death

H. J. Ryser

1923-1985, Professor of mathematics

Date of Birth: 28-Jul-1923

Place of Birth: Milwaukee, Wisconsin, United States

Date of Death: 12-Jul-1985

Profession: mathematician, university teacher

Nationality: United States

Zodiac Sign: Leo

Herbert John Ryser (July 28, 1923 – July 12, 1985) was a professor of mathematics, widely regarded as one of the major figures in combinatorics in the 20th century.
He is the namesake of the Bruck–Ryser–Chowla theorem and Ryser's formula for the computation of the permanent of a matrix.