Dmitry Roshchupkin was born in Irkutsk, Russia, on May 1, 1961. He received an M.S. degree in 1983, a Ph.D. in 1987 and a Doctor of Science in physics in 1997 from the Moscow Institute of Steel and Alloys, Russia. He is the deputy head (science) at the Institute of Microelectronic Technology and High Purity Materials, Russian Academy of Sciences, Chernogolovka. Since 1993, his work has mainly been concerned with domain structures in ferroelectric crystals, advanced piezoelectric crystals for acoustoelectronics, the investigation of acoustic wave propagation in solids by scanning electron microscopy and X-ray diffraction methods, and developments in grazing incident focusing optics for X-ray microscopy and nanodiagnostics.