[1][2] Halfdan Johnsen Egedius was born in Drammen in Buskerud county and grew up in Christiania (now Oslo).
His interest in painting and illustration began at the age of 5 and he showed exceptional artistic abilities early.
In 1891 he was a pupil of Erik Werenskiold, and from 1891 to 1892 he studied at the Arts and Crafts School in Christiania.
In his short life he managed to create several Norwegian masterpieces in a variety of styles.
[4] Egedius became ill during a summer stay in Telemark in 1898, and after relapsing before Christmas, was hospitalized in Christiania, where he died in February 1899, not yet 22 years old.