V. S. Vijayan

Vadayil Sankaran Vijayan (വി. എസ്. വിജയന്‍) (born 29 May 1945) is an Indian environmentalist, wildlife biologist, ornithologist, an admirer of naturopathy and the founding Director of the Salim Ali Centre for Ornithology and Natural History. He is currently the chairman of the Salim Ali Foundation.

Vijayan did his post graduation in Zoology at M.S.University of Baroda. He obtained Ph.D. in Field Ornithology in 1976 from the University of Bombay for his work on the Ecological isolation in bulbuls (Class Aves, family Pycnonotidae) with special reference to Pycnonotus cafer (L) and Pycnonotus luteolus (Lesson) at Point Calimere, Tamil Nadu under the guidance of Salim Ali. He is married to Lalitha Vijayan, a noted ornithologist, a Ph D. student of Salim Ali and former scientist of Salim Ali Centre for Ornithology and Natural History. The couple has a son V.V. Robin, an evolutionary biologist. Provided by Wikipedia