title: Celebrating the past, looking to the future.
authors.affiliation: Department of Applied Physics and Applied Mathematics, Columbia University, 200 Mudd, 500 W 120th Street, New York, NY 10027, USA.
authors.forename: Simon J L
authors.initials: SJ
authors.lastname: Billinge
authors.affiliation: Department of Physics and Astronomy and California NanoSystems Institute, University of California, Box 951547, Los Angeles, CA 90095-1547, USA.
authors.forename: Jianwei
authors.initials: J
authors.lastname: Miao
keywords: Editorial