Final answer:
Martin Luther was a German monk who believed that everyone could read the Bible and objected to the sale of indulgences. He sparked the Reformation through his '95 Theses'.
Step-by-step explanation:
The German monk who believed that everyone could read the Bible and objected to the sale of indulgences was Martin Luther. He took issue with the Catholic Church's practice of selling indulgences and argued that it went against the teachings of the Bible. Luther sparked the Reformation in 1517 by posting his '95 Theses' on the door of the Castle Church in Wittenberg, Germany.