Renewal searches were done in periodicals and artwork (includes photos) for the years 1973 and 1974. There were no listings for Associated Press or for the Cincinnati Enquirer; there's no evidence of renewal for the photo.
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 (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.