Lalu Mansinha is Professor emeritus and Adjunct Research Professor of Geophysics at the University of Western Ontario, London, Canada. He holds degrees from the Indian Institute of Technology, Khargpur (1957, 1959), and a PhD in Physics (1962) from the University of British Columbia, Vancouver, Canada. He has worked in exploration geophysics, seismology and earth rotation, currently focusing on time-frequency spectral analysis.