History of 4n6

Events

Beginning of Forensic Science in China (Pig Experiments)

201 AD - 300 AD

Guilty Person Would Confess Under Torture

1000 - 1600

Carl W. Scheele Creates A Test To Detect Arsenic in Corpses

1775

Valentin Ross Discovers Precise Method In Detecting Small Amounts of Arsenic

1806

Mathieu Orilla Publishes Article On Detecting Poisons and Effects

1814

Polarizing Microscope invented

1828

First Use Of Toxicology Evidence in Criminal Trial

1839

First Microscopic Detection of Sperm

1839

Photography

1850 - 1860

First Presumptive Test For Blood

1863

Alphonse Bertillon Introduces Bertillon's System (Anthropometry)

1879

Sherlock Holmes

1887 - 1893

Jack The Ripper

1888

Hans Gross Publishes First Book of Forensic Science

1893

Karl Landsteiner Discovers ABO Blood Typing

1901

Will West Case

1903

Albert Osborn Publishes "Questioned Documents"

1910

Locard's Exchange Principle by Edmond Locard

1913

Walter McCrone "Father of Modern Microscopy"

1916 - 2002

Los Angeles PD Crime Lab (First In US)

1923

UOC at Berkeley Ciminalistics Department Led By Dr. Paul Kirk

1930

FBI National Laboratory Opens Under Director J. Edgar Hoover

1932

FBI Forensic Science Research & Training Center Opens

1981