More information about the photo (including exact date) can be found at Karsh.org
Licensing
Public domainPublic domainfalsefalse
This Canadian work is in the public domain in Canada because its copyright has expired due to one of the following:
1. it was subject to Crown copyright and was first published more than 50 years ago, or
it was not subject to Crown copyright, and
2. it is a photograph that was created prior to January 1, 1949, or
3. the creator died prior to January 1, 1972.
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The publication history of this work is unknown. It was created in 1946. Unless it was published before either the first non-US publication or 31st day after its first non-US publication, this work may not be in the public domainin the United States because its U.S. copyright was restored by the URAA as it was still copyrighted in its source country (Canada) on the URAA date (1 January 1996). In most cases, it is copyrighted in the U.S. until 95 years after the year in which it was initially published (exceptions are works published after 1977; see Commons:Hirtle chart).This template may not be used for files uploaded after 1 March 2012.
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