King Henry VIII employed a locksmith, but not a real locksmith. Identify which of the following refers to the first known published guide to lock picking: a. 1898, when Linus Yale Jr. published the secrets to his massively successful pin-and-tumbler lock in order to force customers to buy a new, more secure version. Draw a line from locksmithing innovation to the culture that invented it and then to the era in which it was invented, a. 1,500 years ago.”]
Source: https://www.csoonline.com/article/2122413/keys-to-the-castle.html