[2] Harriet Pauline (Hettie) Heymann was born in Wroclaw in 1892 to an industrialist family.
[5] Dyhrenfurth participated in the 1930 International Himalayan Expedition to Kangchenjunga, as the only European woman on the team.
[2] The award was given in recognition of the couple's achievements during their 1934 expedition to the upper Baltoro glacier in the Karakoram, where they made the first ascents of all four summits of the Sia Kangri mountain.
[9] During this expedition, Dyhrenfurth set the women's altitude record of 7,315 meters that would remain in place for 20 years.
[10] In the U.S., Dyhrenfurth gave lectures about her mountaineering experience to various audiences, including the American Geographical Society.