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Melvil Dewey

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Melvil Dewey was an influential American librarian and educator. He lived from 1851 to 1931. He is most famous for inventing the Dewey Decimal Classification system. This system organizes library books by subject using decimal numbers.

Dewey spine label
Dewey spine label

Because of his work, libraries became much more efficient. He also helped create professional training for librarians. However, his history is complex and controversial. While he improved how we access knowledge, he also held many harmful prejudices. He treated women, religious groups, and racial groups unfairly during his life.

Dewey's most famous invention was a way to classify knowledge. He began working on this at Amherst College after earning his degree. He wanted to superimpose a decimal number system onto a structure of knowledge. This structure was originally outlined by a thinker named Sir Francis Bacon. Dewey was inspired by other methods, such as a card system from an Italian publisher named Natale Battezzati.

Dewey spine label
Dewey spine label

In 1876, he copyrighted his system. It allowed libraries to group books by specific topics using numbers. Although many American libraries now use the Library of Congress system, Dewey's method is still used widely in schools and public libraries.

Dewey was also a pioneer in professional library education. In 1884, he founded the School of Library Economy at Columbia College. This was the first institution ever organized to teach librarianship.

New York State Library 1900
New York State Library 1900

He insisted that women be admitted to the program. This decision went against the wishes of the college's Regents. Due to conflicts over the presence of women, the school faced closure at Columbia. In 1889, Dewey successfully moved the school to the New York State Library in Albany. This school became very successful and eventually returned to Columbia's Manhattan campus in 1926.

Beyond classification and teaching, Dewey worked to expand library access. While serving as the director of the New York State Library from 1888 to 1906, he started a traveling library program. These were collections of one hundred books sent to communities that lacked public libraries.

New York State Library 1900
New York State Library 1900

This initiative helped people in small or rural areas find books for self-improvement. His work helped make the New York State Library one of the most efficient in the country. He also founded the Library Bureau in Boston to provide reliable equipment for libraries. This company sold high-quality index cards and filing cabinets. It even introduced hanging vertical files at the 1893 Columbian Exposition.

Dewey was a man driven by a desire for reform in many different areas. He was a strong advocate for the metric system, which uses decimal units for weights and measures. In 1876, he established the American Metric Bureau to promote this system. He also believed that English spelling was too complicated. He founded organizations like the Spelling Reform Association to promote simpler ways to write words.

Lake Placid
Lake Placid

Some of his ideas were seen in the Lake Placid Club, where menus used simplified spelling. For example, a menu might list "hadok" instead of "haddock" or "ys cream" instead of "ice cream."

In his later years, Dewey focused on community and recreation. In 1895, he and his wife Annie founded the Lake Placid Club in New York. This was a health resort that also served as a center for various reform movements.

Lake Placid
Lake Placid

Dewey and his son, Godfrey, were also active in organizing winter sports. They helped arrange the Winter Olympics in Lake Placid. He also helped start the Adirondack Music Festival in 1925. He lived a very active life, even establishing a branch of his club in Florida in 1926.

It is important to remember the darker side of Dewey's legacy. Despite his professional success, he caused harm to those around him. He engaged in sexual harassment of female colleagues. He also held racist and antisemitic views. These actions mean that while his systems are still used, his personal character is viewed critically. His life serves as a reminder that a person can make great contributions to science or education while still being a person who practiced injustice.

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