Leonard Ornstein

Not to be confused with Leo Ornstein.

Leonard Ornstein
Ornstein in 1927
Born	Leonard Salomon Ornstein (1880-11-12)12 November 1880 Nijmegen, Gelderland, Netherlands
Died	20 May 1941(1941-05-20) (aged 60) Utrecht, Netherlands
Education	Leiden University (PhD)
Known for	Ornstein–Zernike equation Ornstein–Uhlenbeck process
Scientific career
Fields	Statistical physics
Workplaces	University of Groningen (1909–14) Utrecht University (1914–40)
Thesis	Toepassing der statistische mechanica van Gibbs op molekulair-theoretische vraagstukken (1908)
Doctoral advisor	Hendrik Lorentz
Doctoral students	Herman Burger (1918) Henk Dorgelo (1924) Marcel Minnaert (1925) Jan Frederik Schouten (1937)

L. S. Ornstein, before 1909.

Dutch artist collective De Strakke Hand: Leonard Ornstein mural, showing Ornstein as a cofounder of the Dutch Physical Society (Netherlands Physical Society) at his desk in 1921, and illustrating twice the random walk of a drunkard with a simplified formula for the Ornstein–Uhlenbeck process. Oosterkade, Utrecht, The Netherlands, not far from Ornstein's laboratory. Translated text: Prof. Ornstein researches random motion 1930. Note that the artists used the historical 1927 photograph of Ornstein at his desk.

Leonard Salomon Ornstein (12 November 1880 – 20 May 1941) was a Dutch physicist.