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.
The author died in 1958, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 60 years or fewer.
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
Note that this work might not be in the public domain in countries that do not apply the rule of the shorter term and have copyright terms longer than life of the author plus 60 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, and Switzerland and the United States are 70 years.
Uploaded a work by photographer unknown, book author was Winfield Scott Downs (1895-1958) from {{cite book | last=Downs |first=Winfield Scott |title=Encyclopedia of American Biography: New Series |volume=28 | publisher=American Historical Society |year=1934 | pages=21-22 | oclc=649569887 | url=https://babel.hathitrust.org/cgi/pt?id=wu.89080535552&view=1up&seq=44 }} with UploadWizard