chemist and mineralogist (red phosphor) Richard Kuhn, chemist, Nobel Prize in Chemistry in 1938 Johann Josef Loschmidt, physicist and chemist Ernst Mach, physicist and philosopher (Mach number) Lise Meitner, physicist Karl Menger, mathematician (Menger's theorem, Menger sponge); son of Carl Menger) Ronald Micura, chemist Richard von Mises, physicist (younger brother of Ludwig von Mises) Otto E. Neugebauer, mathematician and astronomer Wolfgang Pauli, physicist, Nobel Prize in Physics 1945 Max Ferdinand Perutz, chemist, Nobel Prize in Chemistry 1962 Josef Maximilian Petzval, physicist and mathematician Fritz Pregl, chemist, Nobel Prize in Chemistry 1923 Johann Radon, mathematician Otto Redlich, physical chemist Leopold Ružička (born in Croatia, Austria-Hungary in 1887), chemist, Nobel Prize in Chemistry in 1944 Karl Schlögl, chemist Erwin Schrödinger, physicist, Nobel Prize in Physics Heinrich Franz Friedrich Tietze, mathematician Leopold Vietoris (1891-2002), mathematician Victor Frederick Weisskopf, physicist (worked on the Manhattan Project) Carl Auer von Welsbach, chemist Anton Zeilinger, physicist Gernot Zippe, physicist (developed Zippe-type centrifuge to extract Uranium-235 for nuclear weapons) Mario Zippermayr, physicist, inventor of the thermobaric weapon Richard Adolf Zsigmondy, chemist, Nobel Prize in Chemistry in 1925 Psychologists Bruno Bettelheim, psychologist Anna Freud, child psychologist Sigmund Freud, founding father of psychoanalysis Fritz Heider, psychologist Melanie Klein (1882-1960), child psychotherapist (emigrated to England in 1926) Walter Mischel (1930-2018), psychologist Otto Rank, pioneer psychologist Paul Watzlawick (1921-2007), family therapist and psychologist Other scientists Ludwig von Bertalanffy, biologist, systems theory Othenio Abel, paleontologist Max Adler (1873-1937), jurist and Marxist author Christopher Alexander, architectural theorist Wilhelm Alzinger, archeologist Oscar Baumann, philosopher, explorer, ethnologist and geographer Heinz von Foerster, physicist and philosopher (working in the field of cybernetics) Joseph von Hammer-Purgstall, orientalist Julius Hann, meteorologist Hans Hass, biologist Wolf-Dieter Heiss, neuroscientist Thomas Henzinger, computer scientist, founding president of the IST Austria Hans Kelsen, jurist; father of the Austrian constitution Paul Felix Lazarsfeld, social scientist Otto Loewi, pharmacologist, Nobel Prize in Physiology or Medicine (born in Germany, but spent 40 years in Austria, from age 25-65) Konrad Lorenz, zoologist, Nobel Prize in Physiology or Medicine Gregor Mendel, pioneer of genetics August Emanuel von Reuss, paleontologist Rupert Riedl, zoologist Joseph Rock, explorer, geographer, botanist and linguist See also List of Austrians Nobel Prize Scientists Austrian scientists