This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
The National Library of Medicine believes this item to be in the public domain.
Captions
Guido Holzknecht portrait
Items portrayed in this file
depicts
copyright status
public domain
applies to jurisdiction: United States of America
media type
image/jpeg
data size
1,129,777 byte
height
3,349 pixel
width
2,294 pixel
checksum
d4de6589e92d2f524c774c9e93b7b035a6211661
determination method or standard: SHA-1
File history
Click on a date/time to view the file as it appeared at that time.