Wilhelm Ostwald
Among the admirers of Popper-Lynkeus were physicists Albert Einstein and Ernst Mach; philosophers Martin Buber and Hugo Bergman; chemist Wilhelm Ostwald; mathematician Richard von Mises; statistician Karl Ballod (Kārlis Balodis); physiologist Theodor Baer; psychologist Sigmund Freud; writers Max Brod, Stefan Zweig, and Arthur Schnitzler; and the founder of the Zionist Revisionist movement, Ze'ev Jabotinsky.