▁B itter ' s ▁extraordinary ▁organiz ational ▁skills ▁led ▁him ▁to ▁be ▁named ▁head ▁of ▁the ▁sculpt ure ▁programs ▁at ▁both ▁the ▁ 1 9 0 4 ▁St . ▁Louis ▁Ex position ▁in ▁St . ▁Louis , ▁Missouri , ▁where ▁Lee ▁Law rie ▁trained ▁with ▁his ▁guidance , ▁and ▁the ▁ 1 9 1 5 ▁Pan ama – P ac ific ▁International ▁Ex position ▁held ▁in ▁San ▁Francisco , ▁California . ▁In ▁ 1 9 0 6 / 1 9 0 7 , ▁he ▁pres ided ▁over ▁the ▁National ▁S cul pt ure ▁Society . ▁ ▁Among ▁the ▁awards ▁won ▁by ▁B itter ▁were ▁the ▁silver ▁medal ▁of ▁the ▁Paris ▁Ex position , ▁ 1 9 0 0 ; ▁the ▁gold ▁medal ▁of ▁the ▁Pan - American ▁Ex position , ▁ 1 9 0 1 ; ▁a ▁gold ▁medal ▁at ▁Philadelphia , ▁ 1 9 0 2 ; ▁and ▁the ▁gold ▁medal ▁at ▁the ▁St . ▁Louis ▁Ex position , ▁ 1 9 0 4 . ▁He ▁was ▁a ▁member ▁of ▁the ▁National ▁Institute ▁of ▁Arts ▁and ▁Sciences , ▁vice - pres ident ▁( 1 9 0 6 – 0 8 ▁and ▁ 1 9 1 4 – 1 5 ); ▁the ▁National ▁Academy ▁of ▁Design , ▁to ▁which ▁he ▁was ▁elected ▁in ▁ 1 9 0 2 ; ▁the ▁American ▁Academy ▁of ▁Arts ▁and ▁Let ters , ▁Play ers ' ▁Club , ▁Century ▁Club , ▁and ▁vice - pres ident ▁of ▁the ▁Arch itect ural ▁League ▁from ▁ 1 9 0 4