Eduardo Teixeira Coelho – ETC, Martin Sièvre is regarded one of the most eminent Portuguese comics artist. His oeuvre largely consists of historical comics, which often deal with the subject of Vikings, although he also worked on other genres. His first comic was published in Sempre Fixe when he was only seventeen. In 1943, he started his collaboration with the magazine O Mosquito. After the closure of the magazine in 1953, Coelho left Portugal for Brazil, where he spent two years publishing comics, teaching, as well as working with British publishers. In 1955, he moved to France, where he started working for Vaillant. There, he illustrated a number of comics, often in collaboration with scriptwriters Jean Ollivier and Roger Lécureux. His big success in France came with ‘Ragnar Le Viking’, a Viking story published from 1955 to 1969.