His most important role, however, was as a man who found his real calling in using his abilities and prominence to advance causes of vital importance to the country he loved and to the preservation of its security.

CENTERFORSECURITYPOLICY: Ron Silver, a profile in courage

The conservation effort at Lewa -- which is a mixture of classic habitat preservation, stringent security measures (the rhinos have their own security guards at all times) and the use of the latest technology to enhance the knowledge of a species and its breeding patterns -- has been astounding.

BBC: The future of conservation in Kenya