Archivo: Albert Einstein photo 1921

Description: German-born theoretical physicist Albert Einstein
Title: Albert Einstein photo 1921
Credit: "Professor Einstein's Visit to the United States", The Scientific Monthly 12:5 (1921), 482-485, on p. 483. [1]
Author: Underwood and Underwood, New York
Permission: This work is from the Library of Congress. According to the library, there are no known copyright restrictions on the use of this work. Images submitted for copyright by Underwood & Underwood are in the public domain in the United States due to expiration or lack of renewal. 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, 1923. 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.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No