Eucharius Rösslin, whose name appears variously as Röslin, Rössly, Roselin, Roessle and in the latinized form of Rhodion, first appears in written records in Freiburg in 1493. He lived there until 1504, when he gave up his citizenship and repaired to Frankfort-on-Main, where, in 1506, he was appointed Stadtarzt at 60 florins a year. In 1538, he went temporarily to Princess Katherina von Braunschweig und Lüneburg, to whom he dedicated his book. In 1513, he became Stadtarzt in Worms, and, in 1517, he returned to his old position in Frankfort with his salary increased to 70 florins. He died in 1526, according to the researches of the historian Baas.
Rösslin's book on obstetrics was the popular text of the time and for a century or more held sway, as will be seen by the numerous editions. It is largely made up of material derived from Soranus of Ephesus through the