Dr. Edmond Locard (1877-1966) was a pioneer in forensic science who became known as the Sherlock Holmes of France. He forumulated the basic principle of forensic science: "Every Contact Leaves a Trace". This became known as Locard's exchange principle. Forensics or forensic science is the application of science to questions which are of interest to the legal system. ... Vasily Livanov was awarded the Order of the British Empire for his portrayal of Sherlock Holmes in the Russian TV series. ... The Locard exchange principle was postulated by 20th century forensic scientist Edmond Locard. ...

Locard studied medicine and law at Lyons, eventually becoming the assistant of Alexandre Lacassagne, a pioneer criminologist and professor of Forensic Medicine at the University of Lyons. He held this post until 1910, when he began the foundation of his criminal laboratory. He produced a monumental, seven-volume work, Traité de Criminalistique, and continued with his reasearch until his death in 1966. Criminology is a sub-field of sociology dealing with matters related to crime and criminal behavior. ... The University of Lyon (Université de Lyon), located in Lyon, France, comprises three sub-universities called faculties (facultés in French). ...

Source

• The Illustrated guide to Forensics - True Crime Scene Investigations By Dr Zakaria Erzinçlioglu