FTP, identify this German anarchistic writer best known for 1845's The Ego and Its Own.
Understandably, this philosopher changed his name from the drab "Johann Schmidt" to a punchier pseudonym.  Along with his second wife, Marie, he was a member of a left Hegelian offshoot known as "The Free."  He began along traditional left Hegelian lines by writing Art and Religion, but soon branched off into his own, almost solipsistic philosophy.  FTP, identify this German anarchistic writer best known for 1845's The Ego and Its Own.
Understandably, this philosopher changed his name from the drab "Johann Schmidt" to a punchier pseudonym.  
Max Stirner