▁was ▁the ▁president ▁of ▁the ▁Canadian ▁Mathemat ical ▁Society ▁in ▁ 1 9 8 7 – 1 9 8 9 . ▁ ▁Selected ▁publications ▁ ▁References ▁ ▁Category : 1 9 3 0 ▁birth s ▁Category : 1 9 9 5 ▁death s ▁Category : 2 0 th - century ▁American ▁mathemat icians ▁Category : Can ad ian ▁mathemat icians ▁Category : Math emat ical ▁anal yst s ▁Category : C orn ell ▁University ▁al umn i ▁Category : Pr inc eton ▁University ▁al umn i ▁Category : C orn ell ▁University ▁fac ulty ▁Category : Mc G ill ▁University ▁fac ulty ▁Category : F ell ows ▁of ▁the ▁Royal ▁Society ▁of ▁Canada ▁Category : Pe ople ▁from ▁Rock ville ▁Centre , ▁New ▁York ▁Category : Math emat icians ▁from ▁New ▁York ▁( state ) ▁Category : Pres idents ▁of ▁the ▁Canadian ▁Mathemat ical ▁Society <0x0A> </s> ▁Bill ington ▁He ights ▁is ▁a ▁ham let ▁and ▁census - design ated ▁place ▁( CD P ) ▁in ▁the ▁towns ▁of ▁El ma ▁and ▁Aur ora ▁in ▁Er ie ▁County , ▁New ▁York , ▁United ▁States . ▁The ▁population ▁was ▁ 1 , 6 8 5 ▁at ▁the ▁ 2 0 1 0 ▁census . ▁It ▁is ▁part ▁of ▁the ▁Buff alo – N i ag ara ▁F alls ▁Metropolitan ▁Statist ical ▁Area . ▁ ▁Geography ▁Bill ington ▁He ights ▁is ▁located ▁at ▁ ▁( 4 2 . 7 8 5 7 0 9 , ▁- 7 8 . 6 1 9 4 1 9