Well, the NY Times thinks he originated the Tray:
While the ACBL says he invented the Screen:
American Contract Bridge League
SCREEN. An opaque barrier placed diagonally across the bridge table so that no ..... It ...
No idea if this might help, but Henny Dorsmann from near Staunton VA was the originator of the screen when he lived in Aruba all those years ago....screens were just above-the-table affairs then.
Maybe he might know something? I don't think he's on BW though, and I ...
They seem to be opening SAYC pretty much in 3rd, except the upper range seems to be lower. Why should anyone have to alert what is a "natural bid". Like you say, all inferences can be made, and they have fulfilled their agreements as per Rules and CC.
IMO far ...
Depends upon the day of the week, or how I feel, or how I think the previous hand went, etc etc.
I think it's a pretty pointless exercise, but I am sure it'll generate discussion, and I don't object to taking part in it at all.