This file is from a shared repository and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionHal Finney doing math.jpg
English: Hal Finney does math in 1972
Date
Source
Daily News-Post, May 12, 1972 (p. 2)
Author
Daily News-Post (staff photo)
Licensing
Public domainPublic domainfalsefalse
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.