English: This photograph of Armstrong Sperry, taken in 1941 when he won the Newbery Medal, was widely distributed by the author and his publisher for reproduction and publicity as the author's official headshot. It did not include a copyright notice at the time, and no application for extension of a copyright is on record, and so it is considered to be in the public domain.
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.
This photograph of Armstrong Sperry, taken in 1941 when he won the Newbery Medal, was widely distributed by the author and his publisher for reproduction and publicity as the author's official headshot. It did not include a copyright notice at the time, a
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inception
1941
media type
image/jpeg
checksum
a9090db2c849275b6db8a659cd20a32d9ef3a9a2
determination method: SHA-1
data size
8,494 byte
height
309 pixel
width
232 pixel
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