He praised his grandfather, Reza Shah Pahlavi (r. 1925–1941), and his father, Mohammad Reza Shah Pahlavi (r. 1941–1979), as executors of constitutionalism, modern justice, and national sovereignty. Reza Shah Pahlavi (1925–1941): The Constitutional Usurper1. Mohammad Reza Shah Pahlavi (1941–1979): The Constitutional Autocrat1. Reza Shah was selective on what forms of modernization and secularization he would adopt. During that time two monarchs—Reza Shah Pahlavi and his son Mohammad Reza Shah Pahlavi—employed secret police, torture, and executions to stifle political dissent.