ing ▁in ▁ 1 9 4 7 , ▁where ▁he ▁taught ▁at ▁a ▁C . I . C . M . ▁a cademy ▁and ▁studied ▁at ▁Fu ▁Jen ▁Catholic ▁University . ▁ ▁Ber keley ▁ ▁In ▁ 1 9 4 9 , ▁Ser ru ys ▁and ▁other ▁C . I . C . M . ▁mission aries ▁who ▁had ▁been ▁in ▁China ▁for ▁more ▁than ▁ 1 0 ▁years ▁were ▁ev acu ated ▁home ▁to ▁Europe . ▁ ▁The ▁C . I . C . M ▁assigned ▁Ser ru ys ▁and ▁his ▁brother ▁to ▁purs ue ▁gradu ate ▁study ▁in ▁Chinese , ▁so ▁Ser ru ys ▁went ▁to ▁the ▁University ▁of ▁California , ▁Ber keley ▁while ▁his ▁brother ▁went ▁to ▁Columbia ▁University . ▁ ▁He ▁arrived ▁at ▁Ber keley , ▁California ▁in ▁ 1 9 5 0 , ▁where ▁he ▁studied ▁under ▁the ▁prominent ▁Russian - American ▁sin ologist ▁Peter ▁A . ▁Bo od berg , ▁Chinese ▁lingu ist ▁Y . ▁R . ▁Ch ao , ▁American ▁lingu ist ▁Mary ▁Ha as , ▁and ▁German ▁soci ologist ▁Wol fram ▁E ber hard . ▁ ▁The ▁C . I . C . M . ▁did ▁not ▁provide ▁Ser ru ys ▁with ▁financial ▁support ▁during ▁his ▁time ▁at ▁Ber keley , ▁so ▁he ▁supported ▁himself ▁by ▁working ▁as ▁a ▁chap lain ▁and ▁saying ▁Mass ▁and ▁hearing ▁conf ession ▁at ▁local ▁Catholic ▁churches . ▁He ▁received ▁his ▁Ph . D . ▁in ▁ 1 9 5 6 ▁with ▁a ▁dis sert ation ▁entitled ▁" Pro leg