Gursaran Pran Talwar is a medical researcher working in the area of vaccines and immunocontraception.
Gursaran Prasad Talwar received BSc (Hons) and MSc (Tech) degrees from the University of Punjab, DSc from Sorbonne working at the Institut Pasteur, Paris and DSc (hc) from Bundhelkhand University (2004).
He was Alexander von Humboldt Postdoctoral Fellow at Tübingen, Stuttgart and Munich.
He was Head, ICMR-WHO Research and Training Centre in Immunology for India and South East Asia (1972–91).
He was the founding director of the National Institute of Immunology (NII) (1983–91) and also professor of eminence till 1994.