Locks trace their history back to the beginning of modern civilization, when people developed a need to keep their belongings safe. The first wooden keys and locks were said to have originated in Ancient Egypt.
Later, more detailed, user-friendly locks were being made in parts of Europe, especially in Britain. Following these improvements, lock-smiths created the first keys for much safer and reliable usage of the mechanism. It was in 1778 that the locksmith Robert Barron started producing licensed double action tumbler locks. This lock was much reliable compared to earlier locks.
However, the most reliable locks were made by the American locksmith Linus Yale. He produced the locks based on the Egyptian principle of pin tumblers.
Later, in 1856, Linus Yale Junior developed an updated version of these locks for the modern era.
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