▁end ▁of ▁the ▁last ▁invasion ▁of ▁Norm andy ▁during ▁Duke ▁William ' s ▁lifetime . ▁After ▁the ▁retre at ▁of ▁Henry ▁and ▁Geoff rey , ▁William ▁was ▁able ▁to ▁extend ▁his ▁influence ▁outside ▁his ▁Norman ▁lands , ▁increasing ▁his ▁power ▁in ▁Maine ▁in ▁the ▁years ▁ 1 0 5 7 ▁through ▁ 1 0 6 0 . ▁Other ▁results ▁included ▁Bishop ▁I vo ▁of ▁Se es ▁switching ▁from ▁an ▁An ge vin ▁to ▁a ▁Norman ▁al liance . ▁ ▁In ▁the ▁next ▁year , ▁ 1 0 5 8 , ▁William ▁inv aded ▁King ▁Henry ' s ▁lands ▁and ▁re capt ured ▁the ▁castle ▁at ▁T illi ères , ▁which ▁had ▁been ▁lost ▁to ▁the ▁Norm ans ▁during ▁William ' s ▁minor ity . ▁ ▁Cit ations ▁ ▁References ▁▁▁▁▁▁▁ ▁Category : 1 0 5 0 s ▁in ▁France ▁Var av ille ▁Var av ille ▁ 1 0 5 7 ▁Var av ille ▁ 1 0 5 7 ▁Category : Will iam ▁the ▁Con quer or ▁Category : 1 0 5 7 ▁in ▁Europe <0x0A> </s> ▁This ▁list ▁is ▁a ▁sub section ▁of ▁the ▁List ▁of ▁members ▁of ▁the ▁National ▁Academy ▁of ▁Engineering , ▁which ▁includes ▁over ▁ 2 , 0 0 0 ▁current ▁members ▁of ▁the ▁United ▁States ▁National ▁Academy ▁of ▁Engineering , ▁each ▁of ▁whom ▁is ▁affili ated ▁with ▁one ▁of ▁ 1 2 ▁discipl inary ▁sections . ▁Each ▁person ' s ▁name , ▁primary ▁institution , ▁and ▁election ▁year ▁are ▁given . ▁This ▁list ▁does ▁not ▁include ▁dece ased ▁members