Erik Waaler

Erik Waaler (22 February 1903 – 3 March 1997) was a Norwegian professor of medicine.

He was born in Hamar as a son of physician Per Waaler (1866–1923) and musician Fredrikke Amalie Holtemann Rynning (1865–1952). He was a brother of Georg and Rolf Waaler and uncle of Bjarne Waaler. In November 1929 he married Esther Fasmer Dahl (1905–1994), a daughter of priest and composer Alf Fasmer Dahl and sister of Titt Fasmer Dahl.

He finished his secondary education in Hamar in 1921, studied at the Royal Frederick University and graduated in 1927 with the candidate of medicine degree. He served at the hospitals in Hamar and Ullevål before working as a physician in Hamar from 1929 to 1930. After serving as an assistant physician in Oslo he took the doctor medicinae degree in 1935 with the doctoral thesis Studies on the Dissociation of the Dysentery Bacilli. He also co-founded the Armauer Hansen Research Institute in Addis Ababa.