Locard, Edmond

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Locard, Edmond Gender: M
born on 13 December 1877 at 11:30 (= 11:30 AM )
Place St.Chamond, France, 45n28, 4e30
Timezone LMT m4e30 (is local mean time)
Data source
Quoted BC/BR
Rodden Rating AA
Collector: Gauquelin
Astrology data s_su.18.gif s_sagcol.18.gif 21°37' s_mo.18.gif s_piscol.18.gif 27°47 Asc.s_piscol.18.gif 01°17'

Edmond Locard


French pioneer in forensic science who became known as the "Sherlock Holmes of France". He formulated the basic principle of forensic science: "Every contact leaves a trace". This became known as Locard's exchange principle.

Locard studied medicine and law at Lyon, 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.

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 laboratory.

He produced a monumental, seven-volume work, Traité de Criminalistique. He continued with his research until his death in Lyon on 4 May 1966, aged 88.

Link to Wikipedia biography



Source Notes

Grazia Bordoni's Science database quotes Gauquelin.


  • Personal : Death : Long life more than 80 yrs (Age 88)
  • Vocation : Law : Police
  • Vocation : Science : Other Science (Forensic)
  • Vocation : Writers : Textbook/ Non-fiction
  • Notable : Famous : Founder/ originator ("Locard's exchange principle")