If I understand things correctly, Mac is the first member... period.
I'll just sit back here and wait for PSW to implode. (Is anyone recording this?)
EDIT: I think I was wrong, it appears that Doug is the first member; Mac may be #2 or #3 (depending on how you count it). But I'm still waiting for PSW to implode.
It's complicated. After the discussion forum moved from CompuServe, Dave hosted it at Carlson Audio in Seattle with a PERL script was was/is very common.
The first poster at live-audio.com was Monty Lee Wilkes (RIP) in May 1995. I was second.
It continued on like this until Uncle Kenny bought it and used it to start ProSoundWeb.com, which was then sold to Mark Herman (also RIP).
Then the forum software changed, etc etc etc. There is a core group of users from even the CompuServe days. Tim was there, Steve Payne, and many others. At that time it was run by Mark McLean of Live Sound! Magazine.
There is really no "first" member. But we were first on the 'net with maybe the exception of a somewhat exclusive AOL group at that time.
Ha! It may be the worst option for lightweight live recording.