Editing Philip Melanchthon (section)

==Professor at Wittenberg==
[[File:Luther-melanch-kreuzkirche-bretten.jpg|thumb|upright=1.4|Melanchthon and [[Martin Luther|Luther]] with Christ crucified in the middle]]
Already recognized as a reformer, he was opposed at Tübingen. He accepted a call to the [[Martin Luther University of Halle-Wittenberg|University of Wittenberg]] from Martin Luther on the recommendation of his great-uncle, and became professor of Greek there in 1518 at the age of 21.<ref>{{Cite book |url=http://www.jstor.org/stable/j.ctvzcz4b8 |title=Most Certainly True: Lutheran History at a Glance - 75 Stories About Lutherans Since 1517 |date=2020-03-01 |publisher=1517 Media |isbn=978-1-942304-69-2 |editor-last=Granquist |editor-first=Mark |doi=10.2307/j.ctvzcz4b8.7|jstor=j.ctvzcz4b8 }}</ref>{{sfn|Chisholm|1911}} He studied the [[Bible|Scriptures]], especially of [[Paul of Tarsus|Paul]], and [[Protestant Reformation|evangelical]] doctrine. He attended the [[disputation of Leipzig]] (1519) as a spectator, but participated with his own comments. After his views were attacked by [[Johann Eck]], he replied based on the authority of Scripture in his ''Defensio contra Johannem Eckium'' (Wittenberg, 1519).

Following lectures on the [[Gospel of Matthew]] and the [[Epistle to the Romans]], together with his investigations into Pauline doctrine, he was granted the degree of [[bachelor of theology]], and transferred to the theological faculty.{{sfn|Richard|1898|pp=57–58}} He married [[Katharina Krapp]] (Katharina Melanchthon), (1497–1557) daughter of Wittenberg's [[mayor]], on 25 November 1520.{{sfnm |1a1=Lohrmann |1y=2012 |1p=432 |2a1=Manschreck |2y=2011 |3a1=Schofield |3y=2006 |3p=20}} They had four children: [[:de:Anna Melanchthon|Anna]], Philipp, Georg, and Magdalen.{{sfn|Manschreck|2011}}