<p>He was recently diagnosed with cancer and died at 10 PM, BNHS sources told PTI.<br />This is another loss to the conservation movement in India after the demise of BNHS President B G Deshmukh on August 7.<br /><br />Daniel was associated with BNHS as a researcher since the 1950s. He had worked as the director of the Society and later as head of various sub-committees.<br /><br />He was the mentor at BNHS in many ways and had worked on various projects involving conservation at various levels including for elephants and the big cats.<br /><br />He has authored various books such as 'The Book of Indian Reptiles and Amphibians', 'Cassandra of Conservation', 'Petronia', 'A Week with Elephants' and the recently released 'Birds of the Indian subcontinent – A field guide'.<br /><br />He had also initiated various pioneering activities such as recording and documenting old trees in the Mumbai region with the help of nature lovers and BNHS members.<br /><br />Conservation and BNHS have once again lost one of their greatest supporters in his death, BNHS officials said.</p>
<p>He was recently diagnosed with cancer and died at 10 PM, BNHS sources told PTI.<br />This is another loss to the conservation movement in India after the demise of BNHS President B G Deshmukh on August 7.<br /><br />Daniel was associated with BNHS as a researcher since the 1950s. He had worked as the director of the Society and later as head of various sub-committees.<br /><br />He was the mentor at BNHS in many ways and had worked on various projects involving conservation at various levels including for elephants and the big cats.<br /><br />He has authored various books such as 'The Book of Indian Reptiles and Amphibians', 'Cassandra of Conservation', 'Petronia', 'A Week with Elephants' and the recently released 'Birds of the Indian subcontinent – A field guide'.<br /><br />He had also initiated various pioneering activities such as recording and documenting old trees in the Mumbai region with the help of nature lovers and BNHS members.<br /><br />Conservation and BNHS have once again lost one of their greatest supporters in his death, BNHS officials said.</p>