What are Francis Galton's contributions about fingerprinting?

Francis Galton made significant contributions to the study of fingerprinting by establishing the uniqueness and permanence of fingerprints. In his 1892 book, "Fingerprints," he categorized fingerprint patterns into loops, whorls, and arches, laying the groundwork for systematic fingerprint classification. Galton's research provided the scientific basis for using fingerprints as a reliable method of personal identification, influencing law enforcement practices and forensic science. His work helped establish fingerprints as a key tool in criminal investigations and personal identification.