English to English

noun (n)

• 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)(noun.person)

  Synonym:
  albert einstein
  

  source: wordnet30
• someone who has exceptional intellectual ability and originality(noun.person)

  Example:
  He's smart but he's no Einstein.
  

  Synonym:
  brain, brainiac, genius, mastermind
  

  source: wordnet30