Willem de Sitter

Willem de Sitter
Born(1872-05-06)6 May 1872
Died20 November 1934(1934-11-20) (aged 62)
Leiden, South Holland, Netherlands
NationalityDutch
Alma materGroningen University
Known forde Sitter Universe
Scientific career
FieldsPhysics
Doctoral advisorJacobus Kapteyn[1]
Doctoral studentsDirk Brouwer
Willem Hendrik van den Bos
Signature

Willem de Sitter (6 May 1872 – 20 November 1934) was a Dutch mathematician, physicist, and astronomer. The De Sitter universe is a cosmological model named after him.