hold ▁Nie bu hr ▁and ▁Paul ▁Till ich , ▁but ▁was ▁popular ly ▁known ▁for ▁his ▁writ ings ▁on ▁science ▁and ▁religion . ▁He ▁argued ▁against ▁both ▁Christian ▁fundamental ist ▁attacks ▁on ▁science ▁and ▁sec ular ist ▁attacks ▁on ▁religion . ▁He ▁was ▁an ▁expert ▁witness ▁for ▁the ▁American ▁Civil ▁Libert ies ▁Union ▁in ▁the ▁ 1 9 8 1 ▁Mc Le an ▁v . ▁Ark ansas ▁law suit ▁against ▁an ▁Ark ansas ▁State ▁law ▁mand ating ▁the ▁teaching ▁of ▁creation ▁sciences ▁in ▁high ▁schools . ▁ ▁His ▁early ▁books ▁and ▁articles ▁demonstrated ▁the ▁exist ential ▁power ▁of ▁his ▁experiences , ▁from ▁his ▁early ▁pac if ist ▁prof essions ▁as ▁a ▁student ▁at ▁Harvard ▁University , ▁where ▁his ▁class m ates ▁included , ▁among ▁others , ▁future ▁President ▁John ▁F . ▁Kennedy , ▁P ete ▁Se eg er , ▁and ▁Card inal ▁A very ▁D ul les , ▁to ▁his ▁teaching ▁in ▁China ▁and ▁his ▁experiences ▁as ▁a ▁P OW . ▁ ▁His ▁teachers , ▁especially ▁Nie bu hr ▁and ▁Till ich , ▁at ▁Union ▁The ological ▁Sem inary , ▁helped ▁him ▁with ▁methods ▁and ▁categories ▁to ▁form ulate ▁a ▁powerful ▁and ▁cre ative ▁the ological ▁vision ▁of ▁his ▁own . ▁ ▁In ▁the ▁ 1 9 7 0 s ▁and ▁ 1 9 8 0 s , ▁Gil key ' s ▁the ological ▁vision ▁was ▁colored ▁by ▁the ▁growth ▁of ▁Buddh ism , ▁and ▁S ikh ism ▁as ▁both ▁relig ions ▁began ▁to ▁influence ▁religious ▁life ▁in ▁America . ▁ ▁He ▁held