2011 YADAV, Ram Ratan (b. 1956) Ph.D.,F.A.Sc., CSIR Emeritus Scientist, Wadia Institute of Himalayan Geology, 33 General Mahadev Singh Road, Dehradun 248001, Uttarakhand; Res. 14, Dropadi Vihar, Narayan Nagar, Faizabad Road, Lucknow – 226016; Tel: 09450394957, 09452694759(M); Email: ; Sp. Climate Change/Palaeoclimate/Tree-ring analysis.