Andrew Cherlin is an American sociologist known for his research on family structures and social change. He has focused on topics such as marriage, divorce, and the impact of economic factors on family life. His work often explores how societal shifts influence personal relationships and family dynamics. Cherlin has authored several influential books, including The Marriage-Go-Round, which examines the complexities of marriage and divorce in the United States. He has also contributed to discussions on social policy and its effects on families, making him a prominent figure in the field of sociology.