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Wrote a paper describing the patterns that he saw on humans hand under a microscope.
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Describe that the arrangement of skin ridges is never duplicated in two persons.
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Describe 9 different fingerprints patterns, including loops, spirals, circles, and double whorls. -
He collected fingerprints and noted that the patterns were unique and were not altered by age.
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Create a way to identify criminals and in the year 1883 was the first time they used Dr.Alphonse Bertillon way to identify a criminal.
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Verified that fingerprints do not change with age.
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He invented a better way of collecting fingerprint impressions.
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He created a system that divided fingerprint records into groups based on their pattern
