paragraph_text: Malcolm Hartley, engleski astronom. Radi na zvjezdarnici Siding Springu u Australji. Glavno zanimanje su mu galaktike<ref> The 6dF Galaxy Survey: Samples, Observational Techniques and the First Data Release  i kometi. Do danas je otkrio 13 kometa: 79P/du Toit-Hartley, 80P/Peters-Hartley, 100P/Hartley (Hartley 1), 103P/Hartley (Hartley 2), 110P/Hartley (Hartley 3), 119P/Parker-Hartley, 123P/West-Hartley, 161P/Hartley-IRAS, 318P/McNaught-Hartley, C/1984 W2 (Hartley), C/1985 R1 (Hartley-Good), C/1995 Q2 (Hartley-Drinkwater) i C/1999 T1 (McNaught-Hartley).