Congratulations to the 2018 winner of the R. A. Fisher Prize, Dr. Valerie Morley, for her paper “Dynamics of molecular evolution in RNA virus populations depend on sudden versus gradual environmental change” published in Evolution [1]. The R. A. Fisher Prize is awarded annually by SSE for an outstanding Ph.D. dissertation paper published in the journal Evolution during a given calendar year. The award comes with a $1000 honorarium. Learn more about the prize and this year’s recipient here [2].