▁membership ▁in ▁the ▁Naz i ▁Party . ▁ ▁Lor enz ▁wrote ▁numerous ▁books , ▁some ▁of ▁which , ▁such ▁as ▁King ▁Sol omon ' s ▁Ring , ▁On ▁Ag gression , ▁and ▁Man ▁Me ets ▁Dog , ▁became ▁popular ▁reading . ▁His ▁last ▁work ▁" Here ▁I ▁Am ▁– ▁Where ▁Are ▁You ?" ▁is ▁a ▁summary ▁of ▁his ▁life ' s ▁work ▁and ▁focus es ▁on ▁his ▁famous ▁studies ▁of ▁gre yl ag ▁ge ese . ▁ ▁Biography ▁▁ ▁In ▁his ▁aut obi ographical ▁ess ay , ▁published ▁in ▁ 1 9 7 3 ▁in ▁Les ▁Prix ▁Nobel ▁( w inners ▁of ▁the ▁pri zes ▁are ▁requested ▁to ▁provide ▁such ▁ess ays ), ▁Lor enz ▁cred its ▁his ▁career ▁to ▁his ▁parents , ▁who ▁" w ere ▁supre m ely ▁toler ant ▁of ▁my ▁in ordinate ▁love ▁for ▁animals ", ▁and ▁to ▁his ▁child hood ▁encounter ▁with ▁Sel ma ▁L ager lö f ' s ▁The ▁Wonder ful ▁Advent ures ▁of ▁N ils , ▁which ▁filled ▁him ▁with ▁a ▁great ▁enthus ias m ▁about ▁wild ▁ge ese . ▁" ▁▁ ▁At ▁the ▁request ▁of ▁his ▁father , ▁Adolf ▁Lor enz , ▁he ▁began ▁a ▁pre med ical ▁curr icul um ▁in ▁ 1 9 2 2 ▁at ▁Columbia ▁University , ▁but ▁he ▁returned ▁to ▁Vienna ▁in ▁ 1 9 2 3 ▁to ▁continue ▁his ▁studies ▁at ▁the ▁University ▁of ▁Vienna . ▁He ▁graduated ▁as ▁Doctor ▁of ▁Medicine ▁( MD ) ▁in ▁ 1 9 2 8 ▁and ▁became ▁an ▁assistant ▁professor ▁at ▁the