Pratul Kumar Saraswati is a Professor in the Department of Earth Sciences at the Indian Institute of Technology, Bombay. He has been teaching micropaleontology, paleontology and petroleum geosciences related courses for the past 25 years. As a biostratigrapher in Oil and Natural Gas Corporation he was also involved in hydrocarbon exploration in India. M. S. Srinivasan is Professor Emeritus in the Department of Geology at Banaras Hindu University. He established the micropaleontology laboratory at BHU and initiated both teaching and research programme in micropaleontology and paleoceanography. His active participation in the Deep Sea Drilling Project (DSDP) and other international scientific cruises boosted deep sea research in India.