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father of toxicology major contributions to the development of tests for the presence of blood in a forensic context.
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used a system of measuring to identify people. This system consisted of five initial measurements head length, head breadth, length of middle finger, length of the left foot, and length of the cubit.
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author of the Sherlock Holmes stories, has long been credited as an influence to forensic science due to his character's use of methods such as fingerprints, serology, ciphers, trace evidence, and footprints long before they were commonly used by actual police forces
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the first to show scientifically how fingerprints could be used to identify individuals
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came up with dried blood stains could be restored and grouped in the blood type categories A, B, AB, or O.
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he wrote a book called Questioned Documents
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developed the comparison microscope for identifying bullets and cartridge casings
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"Every contact leaves a trace" was known as locard's exchange principle
