Danish Explorer born in Vibor in 1872 and died in the land of the King Federico VIII (Greenland) on November 25, 1907. Highlighted by the research work carried out in Greenland, territory under Danish sovereignty, both in the field of geography and the anthropological.
In 1902 he/she participated together with count Harald Moltke and Knud Rasmussen in the so-called "literary expedition to Greenland". In the context it was made an in-depth study of the life of the Inuit in the region in areas such as language, customs and traditions. Field work later resulted in the Groenland work.
In 1906 he/she led a second expedition to Eastern Greenland. He/She made descriptions about the configuration of the zone and reached the territory that about the same time was exploring Peary.
In March 1907, after hibernate without problems to the O of the Bismarck held, the expedition took heading north on their sleds. For this occasion were divided into two groups. One headed by Mylius-Erichsen and the other by Lieutenant Koch. Both reached the island of Wickoff and, in this, the Bay of independence. However, the Group of Lieutenant Koch managed to get to a Danish port crossing the icy waters of the Bay with their sleds. The group led by Mylius-Erichsen failed to exceed the mentioned Bay since they arrived later and had already begun the thawing of the fjord of the same. In this way, they had to remain there awaiting the winter and that the Bay is helase again. Because of the precariousness of their situation, the group, composed of three members, was succumbing. Mylius-Erichsen and Hagen died in winter; the third member, called Bronlund, managed to navigate to next deposit. However, did not relief supplies on time and he/she died there. The relief expedition found among his possessions a story about what happened and the tragic end of the members of the group.
In 1909, in order to bury the bodies and collect diaries, notes and scientific objects that have been preserved, he/she left an expedition from Copenhagen; but, in 1910, they had to reach the Norwegian coast due to the sinking of the ship that was to take them to Greenland.