Dr. Valerie L. Thomas: The Face Behind Landsat Imagesr. Valerie L. Thomas was an integral part of the early Landsat digital image processing team.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/dr-valerie-l-thomas-face-behind-landsat-images-2/Copy URL to clipboard> DownloadShareTagsBlack History MonthSize1041x1406px