There are three signs of senility. The first sign is that a man forgets his theorems. The second sign is that he forgets to zip up. The third sign is that he forgets to zip down.
-- Paul Erdos
   
Paul Erdos   Name:
Paul Erdos
Type:
Mathematician
Nationality:
Hungarian
Birth:
March 26, 1913
Death:
September 20, 1996
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