High Quality Content by WIKIPEDIA articles! Vello Helk (born September 23, 1923 in Varstu, Võrumaa, Estonia) is eminent Danish historian of Estonian origin. In 1944 Helk was mobilized in German army and was forced to go to Germany. From there he went to Denmark, where he in 1947 attended to University of Århus, where he studied history, Latin and German. He concentrated on history of Northern Europe in 16th and 17th century and his main work was about Norwegian jesuit Laurentius Nicolai who tried to re-catolize Scandinavia. He also has written extensive survey about Jesuits in Tartu and had studied history of Scandinavian students in Southern European universities between 1536 to 1864. He is also interested in Danish-Estonian contacts, espescially in 16th Century and also during Estonian War of Independence. Helk's main works are written in German or Danish and some of them also translated in Estonian.