L iving ▁people ▁Category : 2 0 th - century ▁mathemat icians ▁Category : 2 1 st - century ▁mathemat icians ▁Category : C zech ▁mathemat icians ▁Category : Set ▁the or ists <0x0A> </s> ▁John ▁Gordon ▁was ▁the ▁president ▁of ▁Public ▁Service ▁Alliance ▁of ▁Canada , ▁a ▁public ▁service ▁union ▁in ▁Canada . ▁ ▁John ▁Gordon ▁first ▁joined ▁PS AC ▁in ▁ 1 9 7 4 ▁as ▁a ▁tr ades person ▁with ▁Public ▁Works ▁Canada . ▁▁▁ ▁In ▁the ▁ 1 9 8 0 s ▁he ▁was ▁a ▁board ▁member ▁and ▁Secretary - T reas urer ▁for ▁the ▁Labour ▁Council ▁of ▁Toronto . ▁ ▁He ▁also ▁was ▁on ▁the ▁Anti - R ac ism ▁committee ▁and ▁other ▁comm itte es ▁in ▁the ▁Ontario ▁Federation ▁of ▁Labour . ▁ ▁From ▁ 1 9 8 2 ▁to ▁ 1 9 9 9 ▁he ▁was ▁the ▁National ▁President ▁for ▁the ▁now ▁def unct ▁Union ▁of ▁Public ▁Works ▁Emp loy ees , ▁which ▁is ▁now ▁part ▁of ▁the ▁Government ▁Services ▁Union . ▁▁▁ ▁From ▁ 2 0 0 0 ▁until ▁ 2 0 0 6 , ▁he ▁was ▁the ▁National ▁Vice - Pres ident ▁for ▁PS AC . ▁ ▁On ▁May ▁ 6 , ▁ 2 0 0 6 ▁he ▁was ▁elected ▁President ▁of ▁PS AC ▁at ▁the ▁union ' s ▁four teenth ▁tri enn ial ▁national ▁convention ▁in ▁Toronto . ▁His ▁mand ate ▁ended ▁in ▁ 2 0 1 2 . ▁ ▁References ▁ ▁External ▁links ▁ ▁Biography ▁at ▁PS AC ▁website ▁ ▁Category :