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Dr. David T. Blewett is a planetary geologist whose research emphasizes remote sensing and spectral algorithm development using data from planetary spacecraft. His work focuses on geological and compositional analysis of reflectance spectra and multispectral images, including studying space weathering on the Moon, Mercury, Vesta, and Eros. He was a participating scientist on the MESSENGER Mercury mission and the Dawn at Vesta mission. He served for three years as co-chair of the MESSENGER Geology Discipline Group. Dr. Blewett fielded all the questions from the public that were submitted via the MESSENGER Q&A website. In 2015 and 2016, during two-month Visiting International Scholar fellowships at the Chinese Academy of Sciences, he lectured on his planetary research and collaborated on analysis of data from the Chang’e lunar missions. He is the principal investigator of the Lunar Vertex PRISM lander-rover mission to the iconic Reiner Gamma lunar swirl/magnetic anomaly. Dr. Blewett is developing a low-cost imager (Mahina Multispectral Camera) for the NASA DALI program. He operates the Planetary Surface Texture Lab, a goniometer facility for study of the polarimetric and photometric character of planetary regolith analogs. He was an Antarctic Search for Meteorites field party member during the 1988–1989 austral summer.