-
Carl Wilhelm Scheele
Devised a way of detecting arsenous oxide and simple arsenic in corpses. -
Valentin Ross
Developed a method of detecting arsenic in a victim's stomach. -
Mathieu Orfila
He founded the science of toxicology. He wrote the famous book "Treatise on Poisons." -
Polarized Light Microscope
Polarized light is a contrast-enhancing technique that improves the quality of the image obtained with birefringent materials when compared to other techniques such as darkfield and brightfield illumination, differential interference contrast, phase contrast, Hoffman modulation contrast, and fluorescence. -
James Marsh
Used chemical processes to determine arsenic as the cause of death in a murder trial -
First Microscope Detection of Sperm
Henri- Louis Bayard was able to formulate the first procedure for microscopic detection of sperm. -
Alphonse Bertillon
Applied the anthropological technique of anthropometry to law enforcement creating an identification system based on physical measurements. The Parisian Police adopted his system, called "signaletics or bertillonage." -
Hans Gross
Released his book "Handbuch für Untersuchungsrichter, Polizeibeamte, Gendarmen" which stands for handbook for coroners, police officials, military policemen. This created the field of criminalistics -
Karl Landsteiner
Discovered human blood groups and laid the foundation for the modern medical practice of blood transfusion. -
First Presumptive Test of Blood
The Kastle–Meyer test is a presumptive blood test, in which the chemical indicator phenolphthalein is used to detect the possible presence of hemoglobin. -
Edmond Locard
Formulated the basic principle of forensic science: "Every contact leaves a trace". -
Albert Osborn
Founded the American Society of Questioned Document Examiners. He was the first American to use the scientific method in the examination of questioned documents. -
Walter McCrone
Announced the founding of Walter C. McCrone Associates, Inc. It was the world's first analytical service laboratory with a cleanroom to process and handle client samples. -
Works Cited
http://www.softschools.com/timelines/forensic_science_timeline/99/
http://perriweinstein.blogspot.com/2012/11/the-building-blocks.html
http://www.forensichandbook.com/locards-exchange-principle/
http://www.pbs.org/wgbh/americanexperience/features/timeline/poisoners/
http://www.nobelprize.org/nobel_prizes/medicine/laureates/1930/landsteiner-bio.html
