Sachi Mohan Mukerjee obtained his DSc from the University of Kolkata in 1960. He developed a phage-typing technique for Vibrio Cholerae for epidemiological use in detecting the sources of origin and lines of the spread of cholera epidemics. His significant work on developing a live oral cholera vaccine using a nonpathogenic Vibrio eltor stain provided sure protection for cholera. Dr. Mukerjee served on WHO. He was a Life Member, Association of microbiologists of India. Association of Medical Microbiologists of India. He was a Member of New York Academy of Sciences and the American Society for Microbiology. He was the recipient of the Watumull Award in 1962; Amrut Modi Research Foundation Award in 1970.

Ram Behari Lal obtained his MBBS degree from Panjab University, Lahore, in 1919. He studied epidemiological problems concerned with epidemic dropsy, cholera, plague, tuberculosis, malaria, relapsing fever, cerebrospinal fever, and hookworm disease. He showed how mustard oil is adulterated with Argemone Mexicana seed, looking very similar to a mustard seed, which causes epidemic dropsy. Dr. Lal, through extensive field investigations, obtained bacteriological evidence for the existence of cholera carriers in the human population. He served as the Epidemiologist, and was the Officiating Director, All India Institute of Hygiene and Public Health, Kolkata. He received Minot Medal in 1950 and was a Fellow of the Asiatic Society and Indian Medical Association.