Konrad Steffen, director of the Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), was working near Ilulissat on Saturday when he was reported missing, police said. A rescue operation was launched, but ultimately abandoned without the 68-year-old researcher’s body being found. “We have found signs that the person fell through a crack in the glacier,” police spokesman Brian Thomsen told local newspaper Sermitsiaq. “An accident has probably occurred and it is highly probable that the person in question has passed away,” Thomsen added. Fellow scientist Kathy Riklin said it seemed a snow bridge had collapsed under Steffen, causing...