1335-1385? or 1325-1387?; Described in Rivash 270 (see also 268-272). Came to France where there were only five or six lamdonim and he created a Yeshiva which produced eight Roshei Yeshiva... Charles V required all Jews to wear a yellow cloth except for R' Mattisyahu.
Occupation Details
R' Matisyahu's occupation was Rov of Paris; Chief rabbi of France.