Ngô Dinh Khôi

Photo from https://en.wikipedia.org/wiki/File:Ngodinhnhu.jpg This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.

Photo from https://en.wikipedia.org/wiki/File:Ch%C3%A2n_dung_Ng%C3%B4_%C4%90%C3%ACnh_C%E1%BA%A9n.jpg This work is in the public domain in Vietnam for one of the following reasons: It is a cinematographic work, photographic work, work of applied art or anonymous work first published more than 75 years ago. (See Commons:Copyright rules by territory/Vietnam) It is a cinematographic work, photographic work, dramatic work, work of applied art or anonymous work first published more than 50 years prior to January 1, 2010. It is another type of work, and the creator died more than 50 years ago.