▁a ▁delegate ▁to ▁the ▁federal ▁Constitution al ▁Convention ▁in ▁ 1 7 8 7 ▁but ▁with d rew ▁from ▁the ▁body ▁in ▁July ▁because ▁he ▁opposed ▁the ▁proposed ▁United ▁States ▁Constitution ▁as ▁in fr ing ing ▁on ▁state ▁and ▁individual ▁rights . ▁He ▁was ▁a ▁delegate ▁to ▁the ▁New ▁York ▁rat ification ▁convention ▁in ▁June ▁ 1 7 8 8 , ▁but ▁was ▁unable ▁to ▁prevent ▁the ▁Constitution ▁from ▁being ▁approved . ▁ ▁In ▁ 1 7 9 0 , ▁L ans ing ▁was ▁a ▁member ▁of ▁the ▁commission ▁that ▁settled ▁the ▁New ▁York - V erm ont ▁boundary ▁as ▁part ▁of ▁Verm ont ' s ▁ad mission ▁to ▁the ▁Union ▁as ▁the ▁ 1 4 th ▁state ▁in ▁ 1 7 9 1 . ▁He ▁was ▁a ▁justice ▁of ▁the ▁New ▁York ▁Supreme ▁Court ▁from ▁ 1 7 9 0 ▁to ▁ 1 7 9 8 , ▁and ▁chief ▁justice ▁from ▁ 1 7 9 8 ▁to ▁ 1 8 0 1 . ▁He ▁was ▁Chan cell or ▁of ▁New ▁York ▁from ▁ 1 8 0 1 ▁to ▁ 1 8 1 4 , ▁and ▁in ▁ 1 8 1 7 ▁he ▁was ▁a ▁special ▁commission er ▁to ▁resolve ▁New ▁York ▁City ▁and ▁New ▁York ▁County ▁claims ▁to ▁land ▁in ▁Verm ont . ▁From ▁ 1 8 1 7 ▁until ▁his ▁death , ▁L ans ing ▁was ▁Reg ent ▁of ▁the ▁University ▁of ▁the ▁State ▁of ▁New ▁York . ▁He ▁disappeared ▁in ▁December ▁ 1 8 2 9 , ▁after ▁leaving ▁his