, ▁and ▁at ▁that ▁time ▁she ▁showed ▁no ▁special ▁interest ▁in ▁science , ▁or ▁bi ology ." ▁Len in ' s ▁opinion ▁was ▁that ▁" P ante le imon ▁won ' t ▁got ▁far ▁wrong ▁with ▁her ." ▁The ▁couple ▁returned ▁to ▁Russia ▁to ▁take ▁part ▁in ▁the ▁ 1 9 0 5 ▁revolution , ▁but ▁after ▁its ▁failure , ▁they ▁gave ▁up ▁political ▁activity ▁and ▁took ▁up ▁teaching . ▁In ▁ 1 9 1 5 , ▁she ▁completed ▁her ▁medical ▁training ▁in ▁Moscow . ▁▁ ▁Le pes hin sk aya ▁was ▁a ▁particip ant ▁in ▁the ▁October ▁Revolution . ▁She ▁lect ured ▁at ▁the ▁University ▁of ▁Medicine ▁in ▁Moscow ▁until ▁ 1 9 2 6 , ▁briefly ▁interrupted ▁by ▁a ▁ 1 9 1 9 ▁stay ▁at ▁the ▁T ash k ent ▁University , ▁then ▁worked ▁at ▁the ▁Kl iment ▁Tim iry az ev ▁Institute ▁of ▁Bi ology . ▁In ▁ 1 9 4 1 ▁she ▁became ▁the ▁head ▁of ▁the ▁Department ▁of ▁Live ▁M atter ▁at ▁the ▁Institute ▁of ▁Ex perimental ▁Bi ology ▁with ▁the ▁USS R ▁Academy ▁of ▁Medical ▁Sciences ▁for ▁the ▁remainder ▁of ▁her ▁career . ▁ ▁Le pes hin sk aya ▁worked ▁well ▁into ▁her ▁eight ies ▁and ▁died ▁in ▁Moscow ▁at ▁the ▁age ▁of ▁ 9 2 ▁from ▁p neum onia . ▁ ▁Cla ims ▁In ▁the ▁ 1 9 2 0 s ▁Le pes hin sk aya ▁dis cred ited ▁the ▁work ▁of ▁her ▁super visor , ▁Alexander ▁G ur v itch , ▁who ▁investig ated