Peter L. Berger (1929–2017) was among the most prominent sociologists of the past half-century. He co-authored with Thomas Luckmann, The Social Construction of Reality, considered to be a modern classic of social science. His work on social theory, the sociology of religion, third-world development, and the role of capitalism in modern life define his enduring importance as a leading figure in social science. Berger established an international reputation for his various studies of economic development in different parts of the world, including Central America and South Africa.