Justin WilkinsonJustin Wilkinson is a senior research scientist in the department of geography at Texas State University, and a senior scientist in the Earth Science and Remote Sensing Unit at the NASA-Johnson Space Center. Wilkinson's research focusses on 'unconvenional' river landscapes, the end points of desert rivers, and extensive megafan depositional plains. The astronaut corps awarded him the 'Silver Snoopy' pin as Earth Observations trainer and a book on Costa Rica illustrated with astronaut photos earned him NASA's Public Service Medal. Read More Read Less