You have our word on it – and you have Jack's signature on it! Jack Nicklaus Signature golf. Stonewolf is more than a Jack Nicklaus designed course, which in and of itself is pretty impressive. This is a Jack Nicklaus Signature course. That means the man, the legend himself, Jack Nicklaus took an active hand in the total design and construction of this magnificent golf course. This is one of only four Jack Nicklaus Signature courses in Illinois and Missouri!