ies ▁that ▁address ▁the ▁imm une ▁system ▁and ▁b acter ial , ▁vir al , ▁or ▁der mat ological ▁causes . ▁ ▁E pon ym ▁P LE VA ▁is ▁also ▁known ▁as ▁Much a – H ab ermann ▁disease . ▁It ▁is ▁named ▁for ▁Rudolf ▁Hab ermann ▁( 1 8 8 4 – 1 9 4 1 ), ▁a ▁German ▁der mat ologist , ▁and ▁Vik tor ▁Much a , ▁an ▁Aust rian ▁der mat ologist . ▁ ▁See ▁also ▁▁ ▁C ut aneous ▁T - cell ▁l ym ph oma ▁ ▁P ity rias is ▁l ich eno ides ▁ ▁Par aps or ias is ▁ ▁List ▁of ▁cut aneous ▁conditions ▁ ▁References ▁ ▁External ▁links ▁▁▁▁▁ ▁Category : Im m une ▁system ▁dis orders ▁Category : L ym ph oid - related ▁cut aneous ▁conditions <0x0A> </s> ▁The ▁Society ▁for ▁the ▁History ▁of ▁Natural ▁History ▁( SH N H ) ▁is ▁an ▁international ▁society ▁for ▁everyone ▁who ▁is ▁interested ▁in ▁natural ▁history ▁in ▁the ▁broad est ▁sense . ▁ ▁This ▁includes ▁bot any , ▁zo ology ▁and ▁ge ology ▁as ▁well ▁as ▁natural ▁history ▁collections , ▁expl oration , ▁art ▁and ▁bibli ography . ▁Every one ▁with ▁an ▁interest ▁in ▁these ▁subjects ▁– ▁professional ▁or ▁amateur ▁– ▁is ▁welcome ▁to ▁join . ▁The ▁Society ' s ▁Pat ron ▁is ▁Sir ▁David ▁Att en borough ▁O M ▁CH ▁F RS . ▁ ▁Origin ally ▁named ▁the ▁Society ▁for ▁the ▁Bibli ography ▁of ▁Natural ▁History , ▁SH N H ▁was ▁founded ▁in ▁