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
Derived forms
Riemannian (Rieˈmannian)
adjective
Riemann in American English
(ˈʀiˌmɑːn, English ˈrimɑːn, -mən)
noun
Georg Friedrich Bernhard (ɡeiˈɔʀk ˈfʀidʀɪx ˈbeʀnhɑːʀt) 1826–66, German mathematician