Physics in the Netherlands has a rich tradition. Famous physicists include: Willebrord Snell (1580-1626), Christiaan Huygens (1629-1695), Pieter van Musschenbroek (1692-1761), Willem de Sitter (1872-1934), Peter Debye (1884-1966), Hendrik Kramers (1894-1952), Adriaan Fokker (1887-1972), Hendrika Johanna van Leeuwen (1887–1974), George Uhlenbeck (1900-1988), Samuel Goudsmit (1902-1978), Hendrik Brugt Gerhard Casimir (1909-2000), Hilbrand Johannes ("Hip") Groenewold (1910–1996), and of course the Dutch physics Nobel Laureates: