EFree Director Russell Hemley was appointed as a Mary Upson Visiting Professor at the School of Applied and Engineering Physics at Cornell University from March-May, 2017. While at Cornell, he worked in the group of EFree Partners Roald Hoffmann and Neil Ashcroft and took part in the CHESS User Meeting and Workshops. 

In addition, he presented both a Cornell Chemistry Colloquium as well as a Henri Sack Memorial Lecture.  His Chemistry Colloquium was titled "New Views of Structure and Bonding Revealed by Pressure," and his Sack Lecture was titled "A New World of Materials in Extreme Environments."