From en:Image:Dorothy Hansine Andersen.jpg, uploaded by en:User:InvictaHOG.

From the National Library of Medicine: https://www.nlm.nih.gov/changingthefaceofmedicine/physicians/biography_8.html

Possibly not public domain. The National Library of Medicine says "Transmission or reproduction of protected items beyond that allowed by fair use as defined in the copyright laws requires the written permission of the copyright owners. Specific NLM Web sites containing protected information provide additional notification of conditions associated with its use."[1] If you look at the credit line, at [2], you can see that the photograph is credited to "Archives and Special Collections, Columbia University Health Sciences Division". To re-use this image you are advised to contact Columbia University direct.

	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.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse