In article ,
[TELECOM Digest Editor's Note: My question would be, _who_ was the
> inventor of the MO(dulate)DEM(modulate) in that case?
Department of nits department: modulatOR/demodulatOR
If Hayes only 'refined' it somewhat, with 'smart stuff' in it such
> as 'AT' and '+++' then whose idea was it to ship data over the phone
> wire originally? PAT]
AT&T Bell labs, all the way back in the 1950s (!!)
TELECOM Digest, within the last 6 months or so, referenced a web-page with a picture of one of the first-generation modems.