Herbert Keppler - Obituary - New York Times

Herbert Keppler - Obituary - New York Times: "Herbert Keppler, a publisher and columnist at leading photographic magazines who advised amateur photographers on everything from lenses and shutter speeds to camera bags and tripods and who helped pioneer independent testing of camera equipment, died last Friday in Croton-on-Hudson, N.Y. Mr. Keppler, who lived in that village, was 82."