Dr. Edmond Locard (13 December 1877 – 4 May 1966) was a French criminologist, the pioneer in
forensic science
Forensic science, also known as criminalistics, is the application of science to Criminal law, criminal and Civil law (legal system), civil laws, mainly—on the criminal side—during criminal investigation, as governed by the legal standard ...
who became known as the "
Sherlock Holmes
Sherlock Holmes () is a fictional detective created by British author Arthur Conan Doyle. Referring to himself as a " consulting detective" in the stories, Holmes is known for his proficiency with observation, deduction, forensic science and ...
of
France
France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan ar ...
". He formulated the basic principle of forensic science: "Every contact leaves a
trace". This became known as
Locard's exchange principle.
Biography
Locard was born in
Saint-Chamond,
France
France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan ar ...
on December 13, 1877, although some records claim he was born in 1872.
He studied medicine and law at
Lyon
Lyon,, ; Occitan: ''Lion'', hist. ''Lionés'' also spelled in English as Lyons, is the third-largest city and second-largest metropolitan area of France. It is located at the confluence of the rivers Rhône and Saône, to the northwest of ...
, France, eventually becoming the assistant of
Alexandre Lacassagne, a
criminologist and professor. He held this post until 1910, when he began the foundation of his criminal laboratory.
His lab, located in Lyon, was the first
forensic lab in Europe.
In 1910, Locard succeeded in persuading the Police Department of Lyon to give him two attic rooms and two assistants, to start what became the first
police forensic laboratory.
Locard's daughter Denise would be born on November 18, 1917 in
Paris
Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. ...
.
Locard produced a monumental, seven-volume work, ''Traité de Criminalistique''. He also was first to codify
Galton points,
fingerprint characteristics meant for identification.
Locard continued his research in Lyon until his death in 1966.
Legacy
The young
Georges Simenon, later to become a well-known
detective
A detective is an investigator, usually a member of a law enforcement agency. They often collect information to solve crimes by talking to witnesses and informants, collecting physical evidence, or searching records in databases. This leads th ...
writer, is known to have attended some Locard lectures in 1919 or 1920.
Locard is considered to be the father of modern
forensic science
Forensic science, also known as criminalistics, is the application of science to Criminal law, criminal and Civil law (legal system), civil laws, mainly—on the criminal side—during criminal investigation, as governed by the legal standard ...
. His
Exchange Principle is the basis of all forensic work; the principle stipulates that when any two objects come into contact, there is always a transference of material between each object.
In November 2012, he was nominated to the French Forensic Science Hall of Fame of the Association Québécoise de Criminalistique.
References
Further reading
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French criminologists
French forensic scientists
1877 births
1966 deaths
People from Loire (department)
Scientists from Lyon
French people of Scottish descent
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