Lee Lehman, Lifetime Solar Returns. This months presentation will be by AFOA founding member and author Lee Lehman. The topic of Lees presentation is: Lifetime Solar Returns. Solar returns are a system for predicting yearly trends, but they can also be the basis for examining longer term trends in the chart. In this lecture, Lee will demonstrate how to use the cycles of solar returns for longer term planning. Lee will also discuss the location of the solar return.