Demant had a close relationship and friendship with the Swedish geologist and chemist Hjalmar Lundbohm whom she met in Jukkasjärvi in 1907.
Existing each year between December and April, the Icehotel in the village of Jukkasjärvi, about 17 km from Kiruna, Sweden, was the world's first ice hotel.
He received his training to become a teacher in Luleå, after which he went on to worked as a teacher in the nomad school in Jukkasjärvi.
Jonas Petter Dahlén (also called "Dahlén i Kiruna", meaning 'Dahlén in Kiruna', b. November 14, 1881, Ragunda, d. January 23, 1938, Jukkasjärvi) was a Swedish mine worker and politician.
Spaceport Sweden is a new venture between Swedish Space Corporation, the Jukkasjärvi Icehotel, LFV Group and Progressum, in which they hope, when operations start that Virgin Galactic will make their second base after the USA.