Short answers, pulled from the story.
Adam of Bremen was a German medieval chronicler who lived and worked in the second half of the eleventh century. He is considered one of the foremost historians and early ethnographers of the medieval period, and he was the first European to write about the New World, mentioning the Norse outpost of Vinland in his chronicle.
Adam of Bremen included a chapter mentioning Vinland, a Norse outpost in the New World, in his chronicle the Gesta Hammaburgensis ecclesiae pontificum. This made him the first European to commit a written description of the New World to the historical record.
The Gesta Hammaburgensis ecclesiae pontificum, meaning Deeds of Bishops of the Hamburg Church, is the chronicle written by Adam of Bremen. It covers the history of the bishops of Hamburg and includes extensive geographical and ethnographic descriptions of Northern Germany and Scandinavia.
Adam of Bremen was probably born before 1050 and died on the 12th of October of an unknown year, possibly 1081 and at the latest 1085. He lived and worked in the second half of the eleventh century.
Adam of Bremen is believed to have been educated at the Magdeburger Domschule. His honorary title of Magister Adam indicates that he had completed all stages of a formal higher education, a significant distinction in medieval Europe.
Adam of Bremen gathered information about Scandinavia through his position in the Church of Bremen and its missionary networks, as well as through a stay at the court of Sweyn II of Denmark. That visit gave him direct access to knowledge about the history and geography of Denmark and the other Scandinavian countries.