John Herschel

John Frederick William Herschel (March 7, 1792 - May 11, 1871) English mathematician and astronomer.

Son of astronomer William Herschel.

John Herschel orginated the use of the Julian date system in astronomy.

External link

• http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Herschel.html