Riemann geometry

Riemann generalized geometry to work with any number of dimensions, building on Lobachevsky and Bolay. He created self-consistent models where all lines intersect and all lines are finite in length, extending geometry's scope beyond traditional Euclidean limitations.
 Georg Friedrich Bernhard Riemann Germany 1854 Riemann geometry

Riemann generalized geometry to work with any number of dimensions, building on Lobachevsky and Bolay. He created self-consistent models where all lines intersect and all lines are finite in length, extending geometry's scope beyond traditional Euclidean limitations.