Although it would appear that Johann Radon was one of the first to make significant use of this property in 1913, M. I. Kadets and V. L. Klee also used versions of the Radon–Riesz property to make advancements in Banach space theory in the late 1920s.
Johann Sebastian Bach | Johann Wolfgang von Goethe | Johann Strauss II | St. Johann in Tirol | Johann Heinrich Pestalozzi | Johann Albert Fabricius | Johann Christian Bach | Johann Georg Wagler | Johann Pachelbel | Johann Nepomuk Hummel | Johann Gottfried Herder | Johann Nestroy | Johann Joachim Winckelmann | Johann Gottlieb Fichte | Johann Bernhard Fischer von Erlach | Johann Homann | Johann Friedrich Böttger | Johann Kuhnau | Johann Heinrich Lambert | Johann Friedrich Blumenbach | radon | Johann Wilhelm von Müller | Johann Wilhelm, Elector Palatine | Johann Mattheson | Johann Jakob Engel | Johann Gustav Droysen | Johann Gottfried Schadow | Johann Georg Faust | Johann Friedrich Julius Schmidt | Johann Christoph Adelung |