What do a.m. and p.m. stand for?

bernhard riemann

bernhard riemann in Science
  (rē'mən, -män')   
German mathematician who originated the non-Euclidean system of geometry that is now named after him. Riemann also studied optics and electromagnetic theory, and his work influenced Albert Einstein's theory of General Relativity.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Word Value for bernhard

Scrabble Words With Friends

Nearby words for bernhard riemann