▁on ▁a ▁floating ▁body ▁which ▁has ▁led ▁to ▁his ▁cry , ▁" E ure ka ". ▁Third ly , ▁he ▁has ▁invent ed ▁sie ge - eng ines ▁for ▁use ▁against ▁the ▁Rom ans ▁and ▁the ▁Arch im ede an ▁sc rew ▁to ▁raise ▁water ▁( b . ▁c . ▁ 2 8 7 ▁BC ) ▁ ▁T iber ius ▁Sem pr on ius ▁G rac chus , ▁Roman ▁cons ul ▁from ▁ 2 1 5 ▁to ▁ 2 1 3 ▁BC ▁ ▁X er xes ▁of ▁Armen ia ▁( ass ass in ated ▁by ▁his ▁wife ▁Ant io chia ) ▁ ▁References <0x0A> </s> ▁Ad j ut ant ▁James ▁Alexander ▁Con nel ly ▁Jr . ▁( 1 5 ▁June ▁ 1 8 9 4 ▁– ▁ 1 ▁February ▁ 1 9 4 4 ) ▁was ▁a ▁World ▁War ▁I ▁flying ▁ace ▁cred ited ▁with ▁seven ▁aer ial ▁vict ories . ▁ ▁Biography ▁Con nel ly ▁was ▁born ▁in ▁Mar ion , ▁Pennsylvania ▁and ▁joined ▁the ▁ 1 st ▁Regiment ▁of ▁the ▁French ▁Foreign ▁Leg ion ▁in ▁ 1 9 1 7 . ▁He ▁transferred ▁to ▁the ▁A viation ▁Service ▁within ▁the ▁a eg is ▁of ▁the ▁La f ay ette ▁F lying ▁Corps ▁and ▁gained ▁his ▁Military ▁F lying ▁Bre vet , ▁No . ▁ 9 7 1 1 ▁on ▁ 3 ▁November . ▁Ass igned ▁to ▁Sp a 1 5 7 ▁on ▁ 1 5 ▁January ▁ 1 9 1 8 , ▁he ▁gained ▁two ▁vict ories ▁before ▁going ▁to ▁Sp