Yechiel of Paris

Yechiel ben Joseph of Paris or Jehiel of Paris, called Sire Vives in French and Vivus Meldensis in Latin, was a major Talmudic scholar and Tosafist from northern France, father-in-law of Isaac ben Joseph of Corbeil. He was a disciple of Rabbi Judah Messer Leon, and succeeded him in 1225 as head of the Yeshiva of Paris, which then boasted some 300 students; his best known student was Meir of Rothenburg. He is the author of many Tosafot.