Wilhelm Thagaard was a Norwegian jurist and civil servant. He was born in Kristiania

Oslo

Oslo is a municipality, as well as the capital and most populous city in Norway. As a municipality , it was established on 1 January 1838. Founded around 1048 by King Harald III of Norway, the city was largely destroyed by fire in 1624. The city was moved under the reign of Denmark–Norway's King...

. He chaired Prisdirektoratet over two periods, a total of twenty years. During the occupation of Norway by Nazi Germany

Occupation of Norway by Nazi Germany

The occupation of Norway by Nazi Germany started with the German invasion of Norway on April 9, 1940, and ended on May 8, 1945, after the capitulation of German forces in Europe. Throughout this period, Norway was continuously occupied by the Wehrmacht...

 Thagaard was a member of "Kretsen", a leading body of the Norwegian Resistance Movement

Norwegian resistance movement

The Norwegian resistance to the occupation of Norway by Nazi Germany began after Operation Weserübung in 1940 and ended in 1945. It took several forms:...

. A special law from 1945, "Lex Thagaard", was named after him. He represented Norway internationally in OEEC, OECD and GATT.