Internet, alt.obituaries le 03-06-2005
Information trouvée : Derek Almey Ratcliffe was born in London on July 9 1929. Derek Ratcliffe, who died
on Monday 23-05-2005 was the first to link the decline of birds of prey with agricultural
pesticides and was the architect of the 1977 Nature Conservation Review, which identified
the most important wildlife habitats in Britain.
The Raven / Derk A. Ratcliffe. 1997