Wordnet 3.0
NOUN (1)
1. 
 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); 
[syn: Einstein, Albert Einstein]
WordNet (r) 3.0 (2006):
Albert Einstein
    n 1: 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) [syn: Einstein, Albert Einstein]