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Who developed the modern zipper, and what was his name?
Where was Gideon Sundback born, and in what year?
What did Sundback study in Germany before beginning his career in America?
What problems did earlier fastener designs have?
What improvements did Sundback make to the fastener?
What was the name of Sundback’s design from 1913, and when did he receive a US patent for it?
How did Sundback’s new machine help companies produce zippers?
What were zippers originally used for before they became common on clothes and bags?
What materials are modern zippers made from today, and what does Sundback’s invention show about small practical improvements?
Why did the word “zipper” become popular in the 1920s?
