For 10 point s, name this author of  Siddhartha.
In one work by this author, one character becomes an abbot while the other becomes a free-wandering artist; those two characters are Narcissus and Goldmund respectively. In a different work by this author, protagonist Harry Haller receives an advertisement entitled "Treatise on the (*)  Steppenwolf". In another work by this author, the citizens of Castalia practically all play the rather difficult-to-understand Glass Bead Game. Another novel by this author features a man who lived during of the time of the Buddha and had the same first name as him, but who sought enlightenment through his own individual experience, rejecting Buddhist philosophy. For 10 point s, name this author of  Siddhartha.
In one work by this author, one character becomes an abbot while the other becomes a free-wandering artist; those two characters are Narcissus and Goldmund respectively.
Herman  Hesse