Sherlock Holmes Society of London:
Chairman David Jones welcomes members and guests to the 15th Richard Lancelyn Green Lecture (photo by Roger Johnson)
Sherlock Holmes Society of London:
David Jones introduces Dr Laurance Donnelly, who has provided operational support for the UK Police investigators over the past 25 years (photo by Roger Johnson)
Sherlock Holmes Society of London:
The subject of Dr Donnelly's talk is "The Applications of Geology to Police & Law Enforcement" (photo by Roger Johnson)
Sherlock Holmes Society of London:
The word "forensic" refers to the application of any science to matters of law, usually criminal law (photo by Roger Johnson)
Sherlock Holmes Society of London:
Geological (trace) evidence may include naturally occurring rock fragments, soils and sediments; man-made materials derived from geological raw materials; or micro-fossils (photo by Roger Johnson)
Sherlock Holmes Society of London:
In 2016 two Canadian geologists asked whether Holmes could have been a good geologist. Dr Donnelly says, "Yes!" (photo by Roger Johnson)
Sherlock Holmes Society of London:
The conclusion is inevitable: "Sedimentary, my dear Watson!" (photo by Roger Johnson)
Sherlock Holmes Society of London:
Dr Donnelly's talk gave us new insight into the methods of Sherlock Holmes and the methods of modern forensic investigators (photo by Roger Johnson)
Sherlock Holmes Society of London:
Barrister and former Chairman of the Society, Elaine McCafferty thanks Dr Donnelly for a fascinating and eye-opening talk (photo by Roger Johnson)