Photo from his music school yearbook: https://www.ancestry.com/imageviewer/collections/1265/images/1265_b903518-00062 Original file: https://ibb.co/3R7GdNg or https://imgbox.com/eSODsjcQ or https://pixhost.to/show/58/346064764_1265_b903518-00062.jpg This work is in the public domain in the United States because it was published in the United States between 1928 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.

Photo by Asahi Bunko, from https://commons.wikimedia.org/wiki/File:Watanabe,_iwaki_and_yamamoto.JPG This photograph is in the public domain in Japan because its copyright has expired according to Article 23 of the 1899 Copyright Act of Japan (English translation) and Article 2 of Supplemental Provisions of Copyright Act of 1970. This is when the photograph meets one of the following conditions: It was published before January 1, 1957. It was photographed before January 1, 1947. It is also in the public domain in the United States because its copyright in Japan expired by 1970 and was not restored by the Uruguay Round Agreements Act.

Photo from Keiji Masui "Japan Opera History ~1952" published by suiyo-sha, 2003, p. 399: https://commons.wikimedia.org/wiki/File:Ikuma_Dan_1952_Scan10013.JPG This photograph is in the public domain in Japan because its copyright has expired according to Article 23 of the 1899 Copyright Act of Japan (English translation) and Article 2 of Supplemental Provisions of Copyright Act of 1970. This is when the photograph meets one of the following conditions: It was published before January 1, 1957. It was photographed before January 1, 1947. It is also in the public domain in the United States because its copyright in Japan expired by 1970 and was not restored by the Uruguay Round Agreements Act.