Linkomies was born as Edwin Flinck in southeastern Finland's Viipuri, the son of a Swedish-Finnish officer who died soon after Edwin's birth, but Edwin grew up in western Finland at Rauma, in a mostly Finnish-speaking region of Finland. He had a quick and splendid career in academia: He graduated at age nineteen, wrote his dissertation at 22 at the University of Helsinki, where seven years later he was appointed professor and head of the department of Latin literature. Meanwhile, he had continued his research in Germany, at Leipzig and Halle. He would keep in close contact with German universities for the rest of his life; as a teacher and scientific leader he was known for his "Anglo-Saxon style" — clear and simplistic in his presentations, emphasizing the grand lines rather than intriguing details and exceptions — but also as demanding, authoritarian, keen of the dignity of his office, and maybe too self-confident. Linkomies was in many respects the last of his kind. Most of all, he was the last in a long line of prominent Finnish academics who were recruited from academia to important political tasks. But he was also the last to give lectures in formal academic dress, and the last to expect students and university employees to bow deeply for their rector. Linkomies's ideologic development may for later generations seem remarkable, but among his contemporaries it was not unheard of to have been ardently nationalist, anti-Scandinavian, monarchy minded, anti-Socialist, and anti-democrat, only to shred these opinions one after another. His memoirs describes his astonishment over how the Socialist half of Finland's population turned out to be equally patriotic defenders as the non-Socialists after the Soviet Union's attack in November 1939. According to his own account, he was also one of the first Finns to realize the troubling nature of the Nazis — at least among his fellow Conservatives. During the interbellum, much of Linkomies's rhetoric and political energy was directed against the Swedish-speaking Finns, and the remnants of their privileges and dominance in Finnish society; but also against Sweden and Scandinavia, which he perceived as both too Socialist and too eager to dominate Finland. However, in the 1950s, after the disappointment over Sweden's limited support during the wars, he contributed energetically to inter-Nordic contacts and cultural exchange, and may be credited for the at least partial healing of the rupture between Conservatives in Finland and Scandinavia, that had its background in fennomania and the Åland Crisis. An assessment of Linkomies's role as politician is complicated by the fact that he at, in at least two critical moments in Finland's history deliberately spoke and acted against his own conviction, if one is allowed to believe his account in his memoirs.
During the Continuation War, after the Wehrmacht’s defeat at Stalingrad, he was appointed prime minister with peace at the top of his agenda, but neither in deeds nor in words would the government led by him and president Ryti reveal this aim, fearing the majority of Finns were unprepared, and the German co-belligerent still too strong. Furthermore, he did not dare to establish contacts with the growing domestic opposition to the war, and only very cautiously and hesitantly with countries that probably would have been inclined to support the peace process, notably the United States, Sweden, and Britain, if they had had confidence in Finland's wish for peace.
