Robert S. McMillan (astronomer)
He works at the University of Arizona in Tucson, where he heads the Spacewatch project for the observation of asteroids and comets. He made several discoveries, among which that of the asteroid (20000) Varuna is emphasized.
On October 19, 2008, he succeeded the discovery of short-period comets 208P/McMillan.
The asteroid ( 2289 ) McMillan was named after him.