As part of the celebrations of the College’s 50th anniversary we asked Fellows to nominate objects that they believe have changed the practice of pathology. The fifty most popular objects, covering all nineteen pathology specialties, were selected and one will be revealed each week during 2012. We would like to thank all the Fellows who nominated objects for their contribution to this exciting project. A booklet containing all the objects will be sent to all fellows in 2012 to mark the 50th anniversary of the founding of the College.