On 8/28/07, Donna Halper <dlh@donnahalper.com> wrote: > I've got research on this that says some experiments with it were > done in the 1940s. I believe Barry Grant was one who did those > experiments in New York, circa 1946. I thought Barry Grant was the guy on WDRC-FM in the late 60's... same guy? -- -Rick Kelly northeastairchecks.com