Fingerprints

By Lm7733
  • Dr. Nehemiah recorded information on fingerprints under microscope

    Dr. Nehemiah recorded information on fingerprints under microscope
    In western culture, the earliest record of the study of the patterns on human hands, by Dr. Nehemiah who wrote a paper describing the patterns that he saw on human hands under a microscope.
  • Discovery that no two people have the same finger print

    Discovery that no two people have the same finger print
    Johann Christoph Andreas Mayer described that "the arrangement of skin ridges is never duplicated in two persons."
  • Fingerprint patterns had distinct types

    Fingerprint patterns had distinct types
    Jan Evangelist Purkyn described nine distinct fingerprint patterns, including loops, spirals, circles, and double whorls.
  • First fingerprint used in an investigation

    First fingerprint used in an investigation
    The system called Bertillonage, was first used to identify a repeating offender.
  • Vucetich

    Vucetich
    Juan Vucetich, an Argentine Police Official, began the first fingerprint files based on Galton pattern types.
  • New system was invented

    New system was invented
    Sir Edmund Richard Henry, with the help of two colleagues, created a system that divided fingerprint records into groups based on whether they have an arch, whorl, or loop pattern.
  • Haque & Bose

    Haque & Bose
    The Council of the Governor General of India approved a committee report that fingerprints should be used for the classification of criminal records. Later that year, the Calcutta Anthropometric Bureau became the world's first Fingerprint Bureau. Working in the Calcutta Anthropometric Bureau were Azizul Haque and Hem Chandra Bose.
  • U.S. Army begins using fingerprints.

    U.S. Army begins using fingerprints.
    U.S. Department of Justice forms the Bureau of Criminal Identification in Washington, DC to provide a centralized reference collection of fingerprint cards.
  • Electronic Encoding of Fingerprints

    Electronic Encoding of Fingerprints
    Hakon Jörgensen with the Copenhagen, Denmark Police lectures about the distant identification of fingerprints at the International Police Conference in Monaco.
  • Positive Identification Requirements

    Positive Identification Requirements
    Edmond Locard wrote that if twelve points were the same between two fingerprints, it would suffice as a positive identification.