7 ▁he ▁served ▁as ▁a ▁military ▁attach é ▁to ▁the ▁Pr uss ian ▁amb assador ▁to ▁the ▁United ▁States ▁of ▁America ▁in ▁Washington , ▁D . C . ▁ ▁L isch ke ▁was ▁mayor ▁of ▁El ber feld ▁from ▁▁ 3 ▁December ▁ 1 8 5 0 ▁to ▁ 1 ▁January ▁ 1 8 7 3 . ▁ ▁Through out ▁his ▁life ▁L isch ke ▁maintained ▁a ▁keen ▁interest ▁in ▁natural ▁sciences , ▁particularly ▁in ▁the ▁study ▁of ▁m oll us cs . ▁He ▁was ▁particularly ▁interested ▁in ▁the ▁m oll usc ▁species ▁of ▁Japan . ▁▁ ▁His ▁daughter ▁Em my ▁L isch ke ▁( 1 8 6 0 - 1 9 1 9 ) ▁was ▁a ▁German ▁painter ▁known ▁for ▁her ▁land sc apes ▁and ▁still ▁lif es . ▁ ▁References ▁ ▁Category : 1 8 1 9 ▁birth s ▁Category : 1 8 8 6 ▁death s ▁Category : G erman ▁zo olog ists ▁Category : G erman ▁law y ers ▁Category : G erman ▁diplom ats ▁Category : Pe ople ▁from ▁Sz cz ec in ▁Category : May ors ▁of ▁places ▁in ▁North ▁Rh ine - West phal ia ▁Category : Pe ople ▁from ▁El ber feld ▁Category : Pe ople ▁from ▁the ▁Province ▁of ▁P omer ania <0x0A> </s> ▁Wes ▁Berg gren ▁( A pril ▁ 3 , ▁ 1 9 7 1 ▁– ▁October ▁ 2 7 , ▁ 1 9 9 9 ) ▁was ▁an ▁American ▁music ian ▁and ▁former ▁guitar ist ▁for ▁the ▁rock ▁band ▁Tri