[TUHS] The oldest user at host email on Unix

[Lars Brinkhoff via TUHS]

Ron Minnich wrote:
> Remembering this got me to wondering: what was that first email address, in
> user at host form, on Unix?

Some systems used the "user at host" form.  That's atsign spelled out,
with whitespace arond.  For example "minsky at mit-ai".