Dr. S.P. Raychaudhuri (Syama Prasad Raychaudhuri) was born on 31st December, 1915 at Calcutta and was married in 1947 at Calcutta with Purnima Raha. He did his B.Sc. from Presidency College, Calcutta during 1935 and M.Sc. (Botany) from University College of Science and Technology, Calcutta in 1937. After M.Sc. he did his Associate in Mycology and Plant Pathology, from IARI, New Delhi in 1941 and Ph.D. from Calcutta University in 1949. He was Fulbright Scholar at the Rockefeller Institute for Medical Research, New York, and visiting Professor in USA in 1964 and 1977, in Japan in 1976, in West Germany in 1974 and 1978, and in Canada in 1984. He was recipient of Rafi Ahmed Kidwai Award.
Dr. Raychaudhuri’s major research works include mycology, plant pathology, virus diseases of cereals pulses, fruits, vegetables, plantation crops, ornamentals, seed pathology and tissue culture. He was appointed as Professor in Plant Pathology in 1961 and Head of the Division of Mycology and Plant Pathology in 1965 at the IARI, New Delhi. He was Advisor to Haryana Agricultural University, Hissar in 1976.
Dr. Raychaudhuri chaired two International Symposia at Delhi in 1966 and 1972. He was President of Indian Phytopathological Society, Society for Advancement of Botany, Biological Branch of National Academy of Sciences, India, Agricultural Sciences Section of the Indian Science Congress, Indian Mycological Society, Indian Society of Citriculture and Indian Virological Society. He was also Chairman of International Union of Forestry Research Organisation (IUFRO) - Mycoplasma Diseases and its Corresponding Member from India and was first Treasurer of the ISPP and Chairman of the Citrus Dieback Committee of the ISPP. Fellow of the Indian Phytopathological Society, Indian National Science Academy, National Academy of Sciences, India, American Phytopathological Society and Honorary Fellow of Indian Mycological Society.
He was also Editor of International Journal of Tropical Plant Diseases and Review of Tropical Plant Pathology. Has published more than 13 books, 325 papers and guided research of 73 students for Ph.D. and M.Sc.
Dr. S.P. Raychaudhuri, proceeded heavenly abode at the age of 89 years on August 9, 2005.