Selection of photos taken at the Witness Seminar “Environmental Toxicology: The Legacy of Silent Spring” held by the History of Twentieth Century Medicine Group, 12-Mar-2002. Participants: Professor Sir Colin Berry, Sir Christopher Booth, Professor Richard Carter, Dr Peter Corcoran, Professor Tony Dayan (Chair), Professor Peter Farmer, Dr Robert Flanagan, Dr Peter Hunter, Mr Stanley Johnson, Professor James Lovelock, Professor Robert Maynard, Dr Ingar Palmlund, Dr Dennis Simms, Professor Robert Smith, and Professor Frank Woods.The History of Modern Biomedicine Research Group is funded by the Wellcome Trust, which is a registered charity (no. 210183). The creation and curation of the current photo collection has been funded by the Wellcome T...