The German philosopher Immanuel Kant is one of the most important representatives of the Enlightenment. To date, it is unclear why the "Basmala" was written on the invitation to the ceremonial awarding of his doctorate. Let's see what happened.
In the 20th century, Arabic language material was scarce. During the Vietnam War, Reginald Hefner, had access to a language lab of the US military - and later discovered, how the Military's Arabic material was used by publishers around the world. He shares some reminiscences and anecdotes in this guest article.
The Knight's Tour problem is a famous mathematical chess puzzle. The first solution provided an Arab philosopher in the 9th century from present-day Iraq.