Law of Quadratic Reciprocity/Historical Note

Theorem
The Law of Quadratic Reciprocity was investigated by who stated it imperfectly and failed to find a proof.

first stated it correctly, but his attempted 1785 proof of it was incorrect.

first became aware of this result, and found published a correct proof. He wrote this up in 1798 and published it in his in 1801.

The proof as given here was found by and published in 1844.