Now I think of it John something--Beresniewicz--who had written a book or two on Oracle, used to turn up at conferences with a pony tail (or perhaps braid) to t

Now I think of it John something--Beresniewicz--who had written a book or two on Oracle, used to turn up at conferences with a pony tail (or perhaps braid) to the small of his back. He was neatly dressed, but not formally.