Generation Jones is a term coined by the author Jonathan Pontell to describe the cohort of people born from approximately 1954 to 1965, while other sources place the start point after 1957. This group is essentially the latter half of the "Baby Boomers" to the first year of Generation X. Pontell defined Generation Jones as referring to the last years of the post–World War II baby boom. The term also includes first-wave Generation X.