The document discusses research on the relationship between aging and creative productivity. It finds: 1) At the aggregate level, creative productivity typically follows a curve of rapid rise, a single peak, and then gradual decline with age. 2) However, there is significant individual variability, and quality of work may decline less with age than quantity. 3) Factors beyond just aging, such as one's creative potential, field of work, and life experiences, greatly influence the age-creativity relationship. Therefore, late-life creative increments are possible for some individuals.