▁research ▁special ties ▁were ▁high ▁frequency ▁sound ▁waves ▁in ▁liquid ▁and ▁low ▁temperature ▁physics . ▁ ▁Death ▁and ▁legacy ▁ ▁Gu pt ill , ▁an ▁experienced ▁sail or , ▁died ▁in ▁a ▁bo ating ▁accident ▁on ▁ 2 0 ▁March ▁ 1 9 7 6 . ▁He ▁and ▁a ▁friend ▁were ▁out ▁in ▁row bo at ▁on ▁the ▁North west ▁Arm ▁in ▁Hal if ax ▁Har bour ▁when ▁the ▁boat ▁caps ized . ▁Gu pt ill ▁res cu ed ▁his ▁friend , ▁a ▁non - sw immer , ▁and ▁helped ▁him ▁to ▁cl ing ▁to ▁the ▁over turn ed ▁boat , ▁but ▁by ▁the ▁time ▁help ▁arrived ▁both ▁men ▁had ▁died ▁of ▁hypoth erm ia . ▁ ▁He ▁is ▁comm emor ated ▁by ▁the ▁annual ▁" E . W . ▁Gu pt ill ▁Memorial ▁L ect ure " ▁series ▁in ▁Dal h ous ie ' s ▁Department ▁of ▁Physics ▁and ▁At mos pher ic ▁Science . ▁ ▁References ▁ ▁Category : 1 9 1 9 ▁birth s ▁Category : 1 9 7 6 ▁death s ▁Category : Can ad ian ▁phys ic ists ▁Category : Can ad ian ▁invent ors ▁Category : Pe ople ▁from ▁Grand ▁Man an ▁Category : Ac ad ia ▁University ▁al umn i ▁Category : Univers ity ▁of ▁Western ▁Ontario ▁al umn i ▁Category : Mc G ill ▁University ▁al umn i ▁Category : D al h ous ie ▁University ▁fac ulty ▁Category : 2 0 th - century ▁invent ors <0x0A> </s> ▁Environment ▁Agency ▁Wales , ▁( A