Lie graduated from the forest school in
Steinkjer Municipality in 1904, and from the
Norwegian College of Agriculture in 1907. He lectured at the agricultural school in
Storhove from 1910 to 1918, and at the forest school in Steinkjer from 1918 to 1923. From 1923 to 1947 he was appointed forester in southern
Gudbrandsdalen. Among his works in forestry are
Skogens fugler og insekter,
Lærebok i Skogbotanik,
Skogbrukets driftslære and
Fjellskogen. ==Literary career==