Prof. H. S. Hans earned B.A. from Panjab University in 1945, M.Sc (Physics) degree from Banaras Hindu University in 1948 and Ph.D. from Aligarh Muslim University (AMU) in 1956. He established a 150 kV Cockcroft-Walton type accelerator at AMU in 1958. He served as Head, Department of Physics at Panjab University (1967-1979), where he established the Variable Energy Cyclotron that was gifted from Rochester University (NY). Prof. Hans played leading role for the Nuclear Physics community in proposing Accelerator-based centres for universities. The efforts resulted in the Inter-University Accelerator Centre, New Delhi, based on a 15 MV Tandem accelerator. Prof. Hans has dedicated his whole life in developing the Accelerator-based Nuclear Science in Indian Universities. He has been conferred with prestigious “INS Outstanding Service Award” instituted by Indian Nuclear Society under the category of Nuclear Science Education for the year 2011.