In Memoriam: Famed 'Comet Hunter' Don Machholz dies at 69
Donald Edward Machholz was an American amateur astronomer who was the leading visual comet discoverer, credited with the visual discovery of 12 comets that bear his name.
TroibNews 
Donald Edward Machholz was an American amateur astronomer who was the leading visual comet discoverer, credited with the visual discovery of 12 comets that bear his name.
