The German pastor, teacher and court medic (personal physician) Hieronymus Bock (1498-1554) was initially a preacher in Hornbach and a teacher in Zweibrücken (Rhineland-Palatinate). He counted his family name and gave it the name "tragos" (billy goat). Bock was best known for his botanical, medical and pharmacological studies.
On extensive journeys in southern Germany, which took him from the Ardennes in Belgium / France to the Swiss Alps, he was one of the first scientists of his time to attempt a comprehensive description of the Central European plants and their medicinal effects. The result was his main work "Das Kreütter Buch", which was first published in 1539. Three more editions followed; in the 1546 issue, too varieties treated. Bock differentiated between "Zamen Weinreben" and "Wild Weinreben". It goes into detail on the subject Wild vines, as well as 12 "zame" (cultivated) varieties with their viticultural properties and their occurrence in the growing areas: