The Bureau of Industrial Service for CBS Television, who aired the program. In the 1950s and 1960s, it was common for networks, studios and program sponsors to use either ad or publicity agencies to distrubte publicity material. The Bureau was a division of Ad Agency Young & Rubicam and was well-used for this purpose by those in the industry.
The photo has no copyright markings on it as can be seen in the original upload.
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This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
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