The frustrated reformism of the humanists, ushered in by the Renaissance, contributed to a growing impatience among reformers. Erasmus and later figures like Martin Luther and Zwingli would emerge from this debate and eventually contribute to another major schism of Christendom. The crisis of theology beginning with William of Ockham in the fourteenth century was occurring in conjunction with the new burgher discontent. Since the breakdown of the philosophical foundations of scholasticism, the new nominalism did not bode well for an institutional church legitimized as an intermediary between man and God. New thinking favored the notion that no religious doctrine can be supported by philosophical arguments, eroding the old alliance between reason and faith of the medieval period laid out by Thomas Aquinas.