He died in December 2015.Among his works is the thesis from 1958, titled The function of the Ureter and Renal Pelvis.
He was awarded the Fridtjof Nansen Prize in 1974, the Jahre Prize in 1980, and the Dialysis Pioneering Award from the National Kidney Foundation in 1982.
He was decorated Knight, First Class of the Order of St.
Olav in 1990 and was a fellow of the Norwegian Academy of Science and Letters.