Senior Research Associate Ann L. Sprague retired on August 31, 2013, after a long career at LPL, where she began her work in 1984 as a Graduate Research Assistant. Ann is an LPL alumna, having earned her Ph.D. from LPL in 1990. Her dissertation topic was,  "An Observational Comparison of Mercury and the Moon." In 1990, she received the department's Gerard P. Kuiper Memorial Award. A major focus of Ann's research was theoretical and observational studies concerning Mercury, the Moon, Mars, Jupiter and Comet SL-9. She also worked in the areas of visible and mid-infrared spectroscopy, thermal modeling of rough planetary surfaces, and modeling aspects of planetary atmospheres.  In 2003, Ann and Robert Strom published Exploring Mercury: The Iron Planet.

The LPL community extends best wishes for many happy adventures!