noun riemann Georg Friedrich Bernhard [gey-awrk free-drikh bern-hahrt] /geɪˈɔrk ˈfri drɪx ˈbɛrn hɑrt/ (Show IPA), 1826–66, German mathematician. 1
noun riemann Georg Friedrich Bernhard (ˈɡeːɔrk ˈfriːdrɪç ˈbɛrnhart). 1826–66, German mathematician whose non-Euclidean geometry was used by Einstein as a basis for his general theory of relativity 0
