Education
Viiding graduated from the Tallinn Police School in 1932 and worked as a policeman.
Viiding graduated from the Tallinn Police School in 1932 and worked as a policeman.
In 1936, he joined the academic corporation Fraternitas Estica. In 1940, he graduated from the Faculty of Law at the University of Tartu. After the Nazi occupation in 1941 during the Second World War, Viiding served as the chief of the police school of the Estonian Security Police.
In 1944, Viiding emigrated to Germany and in 1949 to Australia.
Along with other Estonians, he established a plastics factory, "Arnolds Plastics".