O.M. Hussain, is Professor of Physics and Co-ordinator for M.Sc., Nanomaterials and technologies course at Sri Venkateswara University, Tirupati. He completed M.Sc. in 1984 and Ph.D. in 1990 from, S.V. University, Tirupati. He worked as Post Doctoral Fellow in the Universite Pierre et Marie Curie, Paris, France during 1991-92. He joined as faculty member in the Department of Physics in 1992 and has 20 years of teaching and research experience. He has published more than 100 research articles in journals of international repute and presented more than 50 papers in conferences. He has successfully guided seven Ph.D. Students and 6 M.Phil students. He has made significant contributions in the growth and characterization of nanocrystalline and polycrystalline metal oxide thin films for their effective utilization in the fields of micro-electronics, opto-electronics and electrochemical micro-devices.