Peter Berger was an influential sociologist known for his work in the fields of sociology of knowledge and religion. Born in 1929 in Vienna, Austria, he later moved to the United States, where he became a prominent academic figure. His most notable works include The Social Construction of Reality, co-authored with Thomas Luckmann, which explores how society shapes our understanding of reality. Berger's research often focused on the role of religion in modern society. He argued that religion plays a crucial part in shaping individual and collective identities. His book, The Sacred Canopy, examines how religious beliefs provide meaning and order in people's lives, especially in a rapidly changing world.