Dr. M. Nurul Islam is former Selection Grade Professor of Statistics, Faculty of Science at the University of Dhaka, Bangladesh. Currently Dr. Islam is Pro-Vice Chancellor at the World University of Bangladesh. He joined the University of Dhaka as a Lecturer in 1971 and acted as Chairman of the Department of Statistics during 1985-1987. He held the coveted position of the Vice Chancellor of the Mawlana Bhashani Science and Technology University in Tangail during 2009-2013. He is an elected member of famed International Statistical Institute (ISI) of the Netherlands. Dr. Islam held the position of President of the Bangladesh Statistical Association for two terms: 2010-2012 and 2014-2016. Dr. Islam was an elected member of the Dhaka University Senate for the period 2002-2004. He was also a part-time member of University Grants Commission during 2009-2013. During his 45 years’ career as a teacher and researcher, he has written nearly one hundred scientific papers and survey reports related to his discipline, which have been published in both local and international journals. He has been an Executive Editor of several national and international peer reviewed journals. Dr. Islam is also the recipient of the UGC Award and the Dhaka University Faculty Award for 2007 and 2004 respectively for two of his incomparable textbooks. He provided consultancy services to USAID, DANIDA, UNICEF, CIDA, CARE, SIDA, NETZ, Bangladesh Bureau of Statistics (BBS), Ministry of Health and Family Welfare and Ministry of Textile. He independently conducted a number of field surveys as a Principal Investigator. He extensively toured a number of countries including USA, UK, Canada, Egypt, Indonesia, Singapore, Nepal and India and presented papers there in conferences and seminars. He is author of four textbooks entitled (i) An Introduction to Statistics and Probability, (ii) An Introduction to Research Methods, (iii) An Introduction to Sampling Methods and (IV) An Introduction to Demographic Techniques published by Mullick & Brothers. The author has also compiled his entire research work in a single volume entitled Demographic Research in Bangladesh: An update, with the financial assistance from Social Science Research Council, Ministry of Planning.