His fame grew immensely in 1960 when Robert Pound and Glen Rebka used this effect to prove the red shift of gamma radiation in the gravitational field of the Earth; this Pound–Rebka experiment was one of the first experimental precision tests of Albert Einstein's general theory of relativity.
Rudolf Nureyev | Rudolf Steiner | Rudolf Virchow | Rudolf Hess | Rudolf II, Holy Roman Emperor | Rudolf Kempe | Rudolf Hilferding | Rudolf | Rudolf Schwarz | Rudolf Haag | Rudolf, Crown Prince of Austria | Mössbauer effect | Rudolf Schwarz (conductor) | Rudolf Platte | Rudolf Nebel | Rudolf Carnap | Rudolf Thurneysen | Rudolf Stingel | Rudolf Serkin | Rudolf II | Rudolf Bultmann | Rudolf Baumgartner | Rudolf von Jhering | Rudolf Scharping | Rudolf Otto | Rudolf (musical) | Rudolf Kreitlein | Rudolf III, Duke of Saxe-Wittenberg | Rudolf Hruska | Rudolf Flesch |