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Devised a way of detecting arsenous oxide and simple arsenic in corpses.
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Developed a method of detecting arsenic in a victim's stomach.
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He founded the science of toxicology. He wrote the famous book "Treatise on Poisons."
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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.
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Used chemical processes to determine arsenic as the cause of death in a murder trial
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Henri- Louis Bayard was able to formulate the first procedure for microscopic detection of sperm.
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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."
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Released his book "Handbuch für Untersuchungsrichter, Polizeibeamte, Gendarmen" which stands for handbook for coroners, police officials, military policemen. This created the field of criminalistics
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Discovered human blood groups and laid the foundation for the modern medical practice of blood transfusion.
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The Kastle–Meyer test is a presumptive blood test, in which the chemical indicator phenolphthalein is used to detect the possible presence of hemoglobin.
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Formulated the basic principle of forensic science: "Every contact leaves a trace".
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Founded the American Society of Questioned Document Examiners. He was the first American to use the scientific method in the examination of questioned documents.
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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.
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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
