John Grigg (4 June 1838 - 20 June 1920) was a New Zealand astronomer. The 1874 transit of Venus awakened his interest in astronomy, which he pursued full-time starting in 1894. He began systematic searches for comets in that year. He is best known for his co-discovery of the periodic comet 26P/Grigg-Skjellerup in 1902, which was his first discovery of a new comet. Read more