Malcolm Hartley is an English-born astronomer currently based in Australia, best known for his discovery and co-discovery of 8 comets in the 1980s, among them
79P/du Toit-Hartley, 80P/Peters-Hartley, 100P/Hartley 1

100P/Hartley 1

100P/Hartley 1, also known as Hartley 1, is a periodic, Jupiter family comet in our solar system.- References :...

, 103P/Hartley 2, 110P/Hartley 3, and C/1984 W2 (Hartley).

Hartley visited the NASA JPL facility in Pasadena, CA, in November 2010 to witness the EPOXI mission flyby of comet 103P/Hartley 2 on November 4.
Media articles and photos are available at http://www.jpl.nasa.gov/news/news.cfm?release=2010-368. This includes a photograph of Malcolm Hartley.

The asteroid 4768 Hartley

4768 Hartley

4768 Hartley is a main-belt asteroid discovered on August 11, 1988 by Noymer, A. J. at Siding Spring. It was named in honour of Malcolm Hartley, deputy astronomer of the U.K. Schmidt telescope at Siding Spring, with which this minor planet was discovered.- External links :*...

(1988 PH1) was named in his honour, being deputy astronomer of the U.K. Schmidt telescope at Siding Spring, with which this minor planet was discovered.