Dennis L. Gilbert (born October 7, 1943 in Bremerton, Washington) is a professor emeritus and former chair of sociology at Hamilton College in Clinton, New York. He holds a Doctor of Philosophy degree from Cornell University and has taught at the Universidad Católica in Lima, Peru, Cornell University, and joined Hamilton college in 1976. He has published a variety of sociology books, mainly dealing with socio-economic stratification.
Gilbert may be best known for his series of books entitled The American Class Structure. The class models featured in the series are used by other sociologists such as James Henslin, Brian K. Williams and Carl M. Wahlstrom. His main areas of expertise are Latin America, social stratification, polling, and more specifically the American class structure.[1] He developed the Gilbert model, a popular way of classifying people into social classes.