John Cumings is a CNST Visiting Fellow in the Nanofabrication Research Group. He received is B.S. in 1997 from Boston University and his PhD in 2002 from UC Berkeley. After holding a postdoctoral research position at Stanford University, he joined the faculty of the Department Materials Science and Engineering at the University of Maryland in 2005, and was promoted to Associate Professor in 2012. Cumings has received several awards for his work, including an IBM graduate research fellowship, an NSF CAREER award, and the A. James Clark School of Engineering's Junior Faculty Outstanding Research Award. His research is in the area of nanomaterials and in situ transmission electron microscopy, and he has published more than 60 research articles on the topic. Cumings will be working with J. Alexander Liddle on in situ TEM studies of hydration chemistries.