McIntosh Labs
"I was working as Director of Acoustic Research at McIntosh Laboratory from 1967 to 1992. This extensive page includes a history of the company and a description of the products including many exclusive pictures. Particular attention is devoted to the creation of the McIntosh Loudspeaker Division."
Roger Russell's personal contributions and experiences of McIntosh Laboratory's history available here
McIntosh Laboratory, Inc. corporate website available here
Rock & Roll Hall of Fame Grateful Dead exhibit available here