▁had ▁saved ▁$ 2 5 2 . 5 0 ▁for ▁college ▁by ▁sh ining ▁sho es ▁for ▁ 1 5 ▁c ents ▁per ▁pair ▁at ▁the ▁Sa very ▁Hotel ▁in ▁Des ▁Mo ines . ▁ ▁College ▁Hub b ard ▁choose ▁to ▁attend ▁the ▁University ▁of ▁Iowa ▁over ▁Iowa ▁State ▁because ▁he ▁could ▁sh ine ▁sho es ▁at ▁the ▁Jefferson ▁Hotel ▁in ▁Iowa ▁City ▁in ▁order ▁to ▁pay ▁his ▁tu ition , ▁which ▁was ▁$ 5 0 ▁per ▁sem ester . ▁Hub b ard ▁en rolled ▁at ▁the ▁University ▁of ▁Iowa ▁in ▁ 1 9 4 0 . ▁ ▁In ▁ 1 9 4 3 ▁he ▁en list ed ▁in ▁the ▁Army ▁Res erves , ▁and ▁in ▁ 1 9 4 4 ▁received ▁an ▁Army ▁cert ification ▁in ▁elect rical ▁engineering ▁from ▁Pennsylvania ▁State ▁University . ▁Francis ▁M . ▁Daw son , ▁Dean ▁of ▁the ▁College ▁of ▁Engineering ▁at ▁UI , ▁arranged ▁for ▁Hub b ard ' s ▁dis charge ▁in ▁ 1 9 4 5 ▁to ▁conduct ▁war ▁research ▁at ▁UI , ▁and ▁he ▁graduated ▁with ▁hon ors ▁June ▁ 1 , ▁ 1 9 4 7 , ▁with ▁a ▁Bach elor ▁of ▁Science ▁in ▁Elect rical ▁Engineering . ▁ ▁Professional ▁career ▁Hub b ard ▁was ▁appointed ▁as ▁research ▁engineer ▁in ▁July ▁ 1 9 4 7 , ▁making ▁him ▁the ▁first ▁black ▁fac ulty ▁member ▁at ▁the ▁University ▁of ▁Iowa . ▁He ▁subsequently ▁obtained ▁a ▁Master ' s ▁degree ▁in ▁ 1 9 4 9 ▁and ▁a ▁doctor ate ▁in ▁ 1