Arabic grammar was of special interest in Europe especially in the 19th and early 20th century. Here is a list of the TOP FIVE Arabic grammarians from the West
What role did the Bedouins play in creating Arabic grammar? A big one. There are many anecdotes about scholars who went deep into the desert to find Bedouins who could answer their questions about Arabic grammar.
The question of the wasp or hornet - Masʾala(t) al-Zunbur (مَسْأَلة الزُّنْبُور) - caused Sibawayhi, the most famous Arabic grammarian, to die of anger.