Hubert Lederer Dreyfus (born October 15,1929)is an American philosopher.He is a professor of philosophy at the University of California,Berkeley. Prof.Dreyfus suffers from a mild case of prosopagnosia or "face blindness".So,although he has met you before,and sometimes more than once,it is quite probable than he will not recognize you when you meet again.Please,re- introduce yourself telling him when and where you met the previous time(s).Thank you. Hubert Lederer Dreyfus  (born October 15, 1929) is an American philosopher. He is a professor of philosophy at the University of California, Berkeley.  Prof. Dreyfus suffers from a mild case of prosopagnosia or "face blindness". So, although he has met you before, and sometimes more than once, it is quite probable than he will not recognize you when you meet again. Please, re￾introduce yourself telling him when and where you met the previous time(s). Thank you