Main entry: genius, brain, brainiac, mastermind, Einstein
Definition: someone who has exceptional intellectual ability and originality
Usage: Mozart was a child genius; he's smart but he's no Einstein
Main entry: Einstein, Albert Einstein
Definition: physicist born in Germany who formulated the special theory of relativity and the general theory of relativity; Einstein also proposed that light consists of discrete quantized bundles of energy (later called photons) (1879-1955)