Fritz Koerner was a renowned glaciologist and recipient of two Polar Medals for his work in both Antarctica and the Arctic
He was an emeritus scientist at the National Glaciology Program of the Geological Survey of Canada. In 1968-69, Fritz was a member of the remarkable British Trans-Arctic Expedition. A four-party group that crossed the Arctic Ocean sea ice from Barrow, Alaska to Svalbard, Spitzbergen via the North Pole. Perhaps one of the greatest polar expeditions of all time.
He was an enthusiastic supporter of Students on Ice and participated in numerous expeditions.
For more on his life, read his obituary in the Guardian.