Dr. Nirmal Singh received his Bsc (Honors School), MSc (Honors School) and PhD from the Panjab University, Chandigarh. He has been Assistant Professor, Associate Professor, Professor and finally Emeritus Professor at Panjab University, Chandigarh. He was the Chairman of the Physics Department from 2004-2007 and Coordinator of the Medical Physics/Nuclear Medicine MSc Course at the University (2006-09). He received an Emeritus Fellowship by University Grant Commission, New Delhi and Emeritus Scientist award by the Council of Scientific and Industrial Research, Government of India. His major fields of research are experimental nuclear physics and radiation physics and he has supervised about two dozen PhD students. He has visited, delivered lectures and worked in many accelerator laboratories in India, USA and Europe. Dr. Singh has reviewed research papers for many international journals of repute. He is a life member of Indian Physics Association, Indian Association of Physics Teachers, Panjab Academy of Sciences and Radiation Society of India.