Reformers such as Martin Luther, John Calvin, and King Henry VIII challenged papal authority and questioned the Catholic Church's ability to define Christian practice. (History.com Staff, 2009) Martin Luther was one of the most influential and controversial figures of the Reform movement. His actions fractured the Roman Catholic Church into new sects of Christianity and set in motion a reformation within the Church. (Editor of Biography.com) Furthermore, today, John Calvin enjoys clear recognition as the most influential figure in the second generation of the Protestant Reformation. Henry VIII served as a link between the Church of England and Rome and abandoning Catholic doctrine would never have been allowed. However, when it came to his son, Edward VI, obeying papal authority was not his strongest quality, which led to the establishment of Protestantism in England. Unsuccessful in her efforts, Maria fought for the re-establishment of Catholicism. To this day, the English Church remains both catholic and catholic