jan 1, 1823 - Fingerprinting: Jan Evangelista Purkyně classifies fingerprint patterns into nine types

Description:

Czech physiologist Purkyně publishes a thesis at the University of Breslau classifying fingerprint ridge patterns into nine categories, the first systematic scientific classification of fingerprint patterns. He does not, however, propose using fingerprints for identification purposes. His work is largely overlooked for decades.

Added to timeline:

Date: