County of Loon
Govaert Wendelen, Latinized Godefridus Wendelinus, or sometimes Vendelinus (6 June 1580 – 24 October 1667) was an astronomer from the County of Loon (present-day Belgium). His first name is variously given as Godefroy, Godefroid or Gottfried, his surname as Wendelin. The crater Vendelinus on the Moon is named after him.