Prasanta Kumar Basu (B.Sc honours in Physics), B. Tech, M.Tech and Ph.D. (all in Radio Physics and Electronics) joined the RPE department of Calcutta University as a Lecturer in 1971. His research has been in semiconductors. He is an Alexander von Humboldt fellow and he also worked as Visiting Professors in McMaster University, Canada, National Chung Cheng University, Taiwan, and TIFR, India. He was in several administrative positions in RPE department. After his retirement from CU in 2011, he worked as a UGB BSR Faculty fellow, then as Visiting Professor in IIT Kharagpur and finally as an investigator in a joint Indo Taiwan project. Since 2019, he is engaged in honorary collaborative research and book writing in RPE department. Bratati Mukhopadhyay received the B.Sc (Hons in Physics)., B.Tech., M.Tech., and Ph.D. degrees from the University of Calcutta, Kolkata, India, in 1994, 1997, 1999, and 2007, respectively. She joined Institute of Radio Physics and Electronics, CU, as a Lecturer in 2008. Her research area includes Group IV photonics, transport and scattering in semiconductor nanostructures, nanoscale FETs, etc. In addition, she is one of the authors of a book