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He is often called the "Father of Toxicology." He was the first great 19th century exponent of forensic medicine. He made studies of asphyxiation, the decomposition of bodies, and exhumation. He is also credited as one of the first people to use a microscope to assess blood and semen stains. Also worked to improve public health systems and medical training.
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He is the author of the Sherlock Holmes stories. He is known for his use of methods such as fingerprints, serology, ciphers, trace evidence, and footprints long before they used by police forces.
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The inventor of the first scientific method of identifying criminals. He devised a system of identification of criminals which relies on 11 bodily measurements and the color of the eyes, hair, and skin.
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The pioneer in forensic science who became known as the "Sherlock Holmes of France. He formulated the basic principle of forensic science.
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First American to utilize the scientific method in the examination of questioned documents.
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Italian scientist who devised a procedure by which dried blood stains could be restored and grouped in the blood type categories A, B, AB, O. Used saline solution to restore dried blood into its liquid form.
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Forensic Ballistics
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He established a fingerprint classification system that is still in use today. He studied identical twins, and worked on the first intelligence test in his exploration of the roles of "nature and nurture."