William James Herschel

Born on January 9, 1833, William James Herschel was a British officer in the Indian Civil Service and later a judge in Bengal. He is remembered for work that grew out of everyday administration rather than laboratory science: while serving in India, he began using handprints and fingerprints on contracts and official papers as a way to discourage fraud and confirm identity.

Over time, he became convinced that fingerprints were unique and durable, and he argued that they could be used as a dependable method of personal identification. That idea would later become central to modern fingerprinting systems, and Herschel is often credited as one of the early figures in their development.

Herschel died on October 24, 1917. Though he was not the only person involved in the history of fingerprinting, his early and practical use of the method gave him a lasting place in that story.