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Henry Faulds

life science Maturity 11-13 Next article →

Henry Faulds was a doctor and a scientist.

Henry Faulds2
Henry Faulds2

He was born in Beith, Scotland, in 1843. He grew up in a family with modest means. At age 13, he left school to work as a clerk. He later studied math and logic at Glasgow University. He also studied medicine at Anderson's College. He eventually earned his license to be a physician. Faulds was a very curious man who wanted to help people.

Faulds moved to Japan to work as a medical missionary.

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In 1874, he started an English-speaking mission. He built a hospital and a school for medical students. He helped teach surgeons how to use antiseptic methods. He even helped start a society for the blind. His hospital in Tokyo was very busy. By 1882, it treated 15,000 patients every year. He worked hard to stop diseases like cholera and rabies.

One day, Faulds noticed something interesting about patterns.

Henry Faulds2
Henry Faulds2

He was visiting an archaeological dig with a friend. He saw tiny marks left by makers on old clay. This made him look closely at his own fingertips. He saw tiny ridges on his skin. He believed these patterns were unique to every person. Later, his hospital was broken into by thieves. He used fingerprints to prove a worker was innocent. The prints at the scene did not match the man.

Faulds tried to share his big idea with others.

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He wrote a paper about fingerprints in the journal Nature in 1880. He even wrote to the scientist Charles Darwin about it. Darwin sent the idea to his relative, Francis Galton. This led to a long debate about who discovered fingerprinting. A man named William Herschel said he used prints in India. Faulds felt he did not get enough credit for his work. He spent many years writing books to defend his ideas.

Faulds returned to Britain in 1886.

Henry Faulds2
Henry Faulds2

He tried to show his ideas to Scotland Yard. They did not use them at that time. He spent the rest of his life working as a doctor. He died in 1930 at the age of 86. Today, we know his work was very important. The Japanese police began using fingerprints in 1911. Many plaques now honor his life and his great discoveries.

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