Nirmal Kumar Ganguly is an Indian microbiologist specialising in tropical diseases, cardiovascular diseases and diarrhea. A Padma Bhushan Awardee for his achievements, Prof. Ganguly is a graduate of R. G. Kar Medical College, then affiliated with the University of Calcutta. He did his MD in Microbiology from Post Graduate Institute of Medical Education and Research where he also served as Acting Director. Ganguly has been Emeritus Professor of Post Graduate Institute of Medical Education and Research and was Director General, Indian Council of Medical Research, New Delhi (1998-2007). An elected fellow of the National Academy of Medical Sciences, he is currently President of the Jawaharlal Institute of Postgraduate Medical Education and Research.