William Herschel
From Memory Alpha, the free Star Trek reference.
William Herschel (1738-1822) was an Earth astronomer.
He was one of six Human astronomers honored with a monument located in front of the Griffith Observatory, the others being Hipparchus, Galileo Galilei, Nicolaus Copernicus, Johannes Kepler and Isaac Newton. (VOY: "Future's End")
