3 : ▁Japanese ▁Air ▁Oper ations ▁over ▁New ▁Guinea ▁Retrieved ▁on ▁ 2 0 ▁June ▁ 2 0 0 9 . ▁ ▁Category : Conf lic ts ▁in ▁ 1 9 4 2 ▁Category : 1 9 4 2 ▁in ▁Pap ua ▁New ▁Guinea ▁Category : 1 9 4 2 ▁in ▁av iation ▁Category : World ▁War ▁II ▁aer ial ▁operations ▁and ▁batt les ▁of ▁the ▁Pacific ▁theatre ▁Port ▁M ores by ▁Port ▁M ores by ▁Port ▁M ores by ▁Category : B att les ▁and ▁operations ▁of ▁World ▁War ▁II ▁involving ▁Pap ua ▁New ▁Guinea <0x0A> </s> ▁Emil ▁Sie bern ▁( 1 8 8 8 ▁– ▁June ▁ 1 4 , ▁ 1 9 4 2 ) ▁was ▁an ▁American ▁sculpt or . ▁ ▁He ▁was ▁born ▁in ▁New ▁York ▁City , ▁one ▁of ▁six ▁children ▁– ▁five ▁brothers ▁and ▁one ▁sister ▁– ▁of ▁imm igr ant ▁German ▁parents ▁and ▁studied ▁art ▁at ▁Cooper ▁Union ▁for ▁the ▁Ad van cement ▁of ▁Science ▁and ▁Art ▁in ▁New ▁York ▁City , ▁where ▁he ▁met ▁his ▁future ▁wife ▁Marie ▁Karl ; ▁she ▁was ▁studying ▁the ▁viol in . ▁The ▁oil ▁industry ▁magn ate ▁John ▁D . ▁Rock ef eller ▁was ▁an ▁early ▁patron ▁for ▁Sie bern , ▁who ▁from ▁ 1 9 0 9 ▁until ▁ 1 9 1 4 ▁lived ▁in ▁a ▁house ▁on ▁Rock ef eller ’ s ▁estate ▁Ky ku it ▁in ▁the ▁P oc ant ico ▁Hills , ▁Mount ▁Ple asant , ▁and ▁served ▁there ▁as ▁" super int endent ▁of