Lawrence Kohlberg

Lawrence Kohlberg was a prominent American psychologist and author, best known for his groundbreaking work in moral development and ethical psychology. Born in 1927 in Bronxville, New York, he served in the U.S. Merchant Marine before studying at the University of Chicago, where he earned his Ph.D. His fascination with how people make moral decisions led him to expand on Jean Piaget’s theories of cognitive development, creating a detailed framework of moral reasoning stages.

Kohlberg is most famous for proposing the six stages of moral development, organized into three major levels: pre-conventional, conventional, and post-conventional morality. His model suggests that individuals progress through these stages as they grow in their ability to reason about ethical issues, moving from a focus on obedience and punishment to higher principles of justice and human rights. His ideas have had a lasting impact on education, psychology, and ethics, influencing how moral education is approached around the world.

Among Lawrence Kohlberg’s most enduring quotes is: “Moral development is the process through which people learn how to make decisions about right and wrong.” This reflects his belief in the evolving nature of ethical understanding. Another powerful statement is: “The primary function of education is to teach values, not just knowledge.” Through his research and writing, Kohlberg emphasized that moral growth is a lifelong journey essential to both personal integrity and social harmony.