The zipper is a device that is usually taken for granted.  We all know that it is used for temporarily joining two pieces of cloth or other fabric together; most of us use one every day when we open our backpacks.  But how did we come about using such a handy little device?
Born in Spencer, Massachusetts, in 1819, Elias Howe loved tinkering with early mechanics.  One day he came up with a new contraption. He had invented the earliest version of the zipper.  He called it the “Automatic Continuous Clothing Closure.”  It used a string, instead of sliders, and didn’t become very popular until a Swedish immigrant by the name of Gideon Sundback improved it.  He added a slider, as well as other things, and called his version the “Hookless Fastener No. 1.” Later he improved it even further, fixing all known flaws and problems with the zipper. He called the second version “The Hookless No. 2.”  It shows very little as far as differences with the modern-day zipper.  I couldn’t find the education of Elias Howe, but