Fingerprint identification began 4,000 years ago. In 1900 BC Babylon, clay tablets with both cuneiform text and fingerprint impressions were used to confirm the identity of merchants and officials. This ancient practice of securing contracts wasn’t just smart it laid the foundation for biometric security. The technique later reached China’s Qin Dynasty and ultimately influenced today’s forensic science. | History Uncovered

Henry's Fingerprint Classification System: #Key, Major, Primary, Secondary

Fingerprint Recognition System - Architecture, How it Works & Applications