7 ) ▁was ▁an ▁American ▁political ▁scient ist . ▁ ▁He ▁special ized ▁in ▁the ▁study ▁of ▁the ▁United ▁States ▁presiden cy ▁and ▁United ▁States ▁Congress . ▁ ▁He ▁was ▁a ▁professor ▁at ▁the ▁University ▁of ▁California , ▁Ber keley , ▁and ▁former ▁editor ▁of ▁the ▁American ▁Political ▁Science ▁Review ▁from ▁ 1 9 7 1 – 7 7 . ▁ ▁Pol s by ▁was ▁born ▁in ▁Nor wich , ▁Connecticut , ▁and ▁grew ▁up ▁in ▁the ▁state . ▁ ▁He ▁earned ▁his ▁under grad uate ▁degree ▁from ▁Joh ns ▁Hop kins ▁University . ▁He ▁earned ▁a ▁master ' s ▁and ▁a ▁doctor al ▁degree ▁from ▁Y ale ▁University . ▁He ▁also ▁earned ▁a ▁master ' s ▁degree ▁from ▁Brown ▁University ▁and ▁was ▁awarded ▁an ▁Honor ary ▁master ' s ▁degree ▁from ▁Oxford ▁University . ▁He ▁taught ▁at ▁the ▁University ▁of ▁Wisconsin – Mad ison ▁and ▁Wes ley an ▁University ▁before ▁moving ▁to ▁Ber keley ▁in ▁ 1 9 6 7 ; ▁from ▁ 1 9 8 8 ▁to ▁ 1 9 9 9 , ▁he ▁was ▁director ▁of ▁Ber keley ' s ▁Institute ▁of ▁Government al ▁Studies . ▁Pol s by ▁was ▁the ▁author ▁of ▁numerous ▁articles ▁on ▁American ▁politics ▁and ▁ 1 5 ▁books , ▁including ▁" Pol it ical ▁In nov ation ▁in ▁America " ▁( 1 9 8 4 ), ▁" C ong ress ▁and ▁the ▁Pres iden cy " ▁( 1 9 8 6 ), ▁and ▁" How ▁Congress ▁E vol ves " ▁( 2 0 0 4