The term ADLER is associated with five famous people: Stella Adler, Irene Adler, Lou Adler, Mortimer Adler, and ALFRED Adler. Stella Adler was an American actress and acting teacher who founded the Stella Adler Studio of Acting in New York City. Irene Adler was a fictional character in the Sherlock Holmes stories. Lou Adler was an American music producer and film director. Mortimer Adler was an American philosopher, educator, and author. ALFRED Adler was an Austrian medical doctor, psychotherapist, and founder of the school of individual psychology.