Who is the french scholar that spread protestantism to switzerland?

    John Calvin, or Jean Calvin ( 1509 - 1564 ) was French theologian during the Protestant Reformation. He developed the system of Christian theology called Calvinism. He was influenced by the Augustinian and other early Christian traditions. After deadly violence against Protestants in France, Calvin fled to Basel ( Switzerland ). In 1536 he started reforming the church in Geneva.
      French scholar that spread Protestantism to Switzerland was John ( Jean ) Calvin. 

In 911, a group of vikings lead by rollo besieged paris and chartres. after a victory near chartres on 26 august, charles decided to negotiate with rollo. the talks were led by hervé, the archbishop of reims. this resulted in the treaty of saint-clair-sur-epte, which granted rollo and his soldiers all the land between the river epte and the sea. it also granted him brittany, "for his livelihood". at the time, brittany was an independent land which france had not been able to conquer. in exchange, rollo promised the king his loyalty and military assistance when needed. also rollo also agreed to be baptised and to marry gisela, the king's daughter. the territory given rollo is about the same as upper normandy. this would grow to become normandy under rollo's descendants. - wikepedia