Category
page 1Operator theorists
David Hilbert
German mathematician (1862–1943)

John von Neumann
Hungarian and American mathematician and physicist (1903–1957)
Stefan Banach
Polish mathematician (1892–1945)

Leonid Kantorovich
Russian mathematician (1912-1986)

Alexander Grothendieck
French mathematician (1928–2014)

Israel Gelfand
Soviet-American mathematician

Paul Halmos
American mathematician (1916–2006)
Frigyes Riesz
Hungarian mathematician who made fundamental contributions to functional analysis (1880–1956)
Mark Krein
Soviet mathematician (1907-1989)

Fritz Noether
German-born mathematician
Alexander Ostrowski
Russian mathematician (1893–1986)
Walter Rudin
American mathematician (1921-2010)
Barry Simon
American mathematician
Naum Akhiezer
Russian mathematician (1901–1980)
Tosio Katō
Japanese mathematician (1917-1999)
Kurt Otto Friedrichs
German-American mathematician (1901–1982)
Ciprian Foias
Romanian mathematician (1933–2020)
Per Enflo
Swedish mathematician and concert pianist
Jacob T. Schwartz
American mathematician and computer scientist (1930-2009)
Kōsaku Yosida
Japanese mathematician (1909-1990)
Ronald G. Douglas
American mathematician (1938–2018)
Francis Joseph Murray
American mathematician (1911–1996)
František Wolf
Czech mathematician
William Arveson
mathematician (1934-2011)
Nelson Dunford
American mathematician (1906–1986)
Charles Read
British mathematician