He was one of the most beloved jurists of his time and was awarded the Hans Christian Ørsted Medal in 1933 for his five-volume work Ejendomsretten (Property Law).
In 1940 he was offered a position with the German government which he refused, although he had sympathy with the goals of the right-wing political current in Europe.
After World War II, he was accused of having been a Nazi by rival professor Alf Ross, but he continued his work as a legal scholar and author.
Vinding Kruse was an adherent to the pure philosophy of natural law and was a sharp critic of the idea that courts should consist of an elite group to compel the masses toward a higher moral condition by controlling man's natural evil tendencies. In this respect also Alf Ross came to be a major opponent of Vinding Kruse, and the main focus of Vinding Kruse's sharp criticism was Alf Ross' dissertation, Læren om Retskilderne (1926), which was a major factor in Vinding Kruse's recommendation that Alf Ross not remain part of the Faculty.
For an in-depth biography, see Frederik Vinding Kruse (1880-1963): En Juridisk Biografi by Jens Evald (ISBN 87-574-1242-1), published in 2006, Jurist- og Økonomforbundets Forlag (Danish