Bernhard Riemann (1826–1866) is widely regarded as one of the leading mathematicians of the nineteenth century. He developed Riemannian geometry which is the basis for Einstein’s theory of gravitation. He also developed important theories relating to complex analysis, real analysis, number theory, and mathematical physics. Make a statement in any room with this framed poster, printed on thick, durable, matte paper. The matte black frame adds an extra touch of class. • Alder, Semi-hardwood frame • Black in color • .75” thick • Acrylite front protector • Lightweight • Hanging hardware included