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Answer:
The disposable paper cup was invented in the early 20th century. Specifically, the first commercially successful disposable paper cup was developed around 1907 by Lawrence Luellen, a Boston lawyer. He created the "Health Kup," later renamed the "Dixie Cup," to promote public health by providing a more sanitary alternative to shared drinking glasses or dippers commonly used at public water sources.
The commercialization of the Dixie Cup began around 1910, and it quickly gained popularity due to growing concerns about hygiene and the spread of diseases. This invention significantly influenced public health practices and remains a staple in various settings, including restaurants, schools, and hospitals.