Kalonymus ben Gershon

German Talmudist of the thirteenth century. He was a contemporary of Eleazar of Worms and Menahem ben Jacob, with whom he disputed concerning a halakic decision. The controversy is quoted by Mordecai ben Hillel ("Mordekai," Yebamot , end) and in the "Haggahot Maimoniyyot" ("Hilkot Gerushim," ).