▁of ▁un ch rist ian ▁myst ic ism . ▁A ▁controvers y ▁followed ▁between ▁G üg ler ▁and ▁Th add æ us ▁Müller , ▁city ▁past or ▁of ▁Luc erne , ▁during ▁which ▁appeared , ▁among ▁other ▁writ ings , ▁G üg ler ' s ▁" Ge ist ▁des ▁Christ ent ums ▁und ▁der ▁Literatur ▁im ▁Ver hält n iss ▁zu ▁den ▁Th add æ us ▁M üll ers chen ▁Sch riften ". ▁Müller ▁made ▁a ▁formal ▁demand ▁to ▁the ▁municipal ▁authorities ▁for ▁the ▁removal ▁of ▁G üg ler ▁from ▁the ▁professor ship , ▁which ▁was ▁decre ed ▁ 1 2 ▁Dec ., ▁ 1 8 1 0 . ▁Im medi ately ▁W id mer ▁handed ▁in ▁his ▁res ignation , ▁a ▁large ▁number ▁of ▁students ▁threatened ▁to ▁leave , ▁and ▁even ▁the ▁majority ▁of ▁citizens ▁s ided ▁with ▁G üg ler . ▁Müller ▁saw ▁his ▁mistake , ▁and , ▁at ▁his ▁special ▁request ▁G üg ler ▁was ▁re inst ated ▁ 2 3 ▁Jan ., ▁ 1 8 1 1 . ▁G üg ler ▁had ▁also ▁a ▁dispute ▁with ▁Marcus ▁L utz , ▁past or ▁at ▁Le uf elf ingen , ▁and ▁issued ▁the ▁sar cast ic ▁pam ph let ▁" Ch em ische ▁Anal y se ▁und ▁Syn th ese ▁des ▁Marcus ▁L utz ▁zu ▁Le uf elf ingen " ▁( 1 8 1 6 ). ▁Another ▁controvers y ▁was ▁with ▁Tro x ler , ▁who ▁later ▁became ▁known ▁as ▁a ▁phil os opher . ▁G üg ler ▁devoted ▁his ▁time