Photograph of Nobel Laureate Albert A. Michelson.
The original uploader was <a href="https://en.wikipedia.org/wiki/User:Bunzil" class="extiw" title="wikipedia:User:Bunzil">Bunzil</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>.
27 September 2006 (original upload date)
Photograph is a higher quality version of the public domain image available from <a rel="nofollow" class="external text" href="http://astro-canada.ca/_en/photo690.php?a4313_michelson1">AstroLab</a> or <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/smithsonian/2551015907/">Smithsonian Institution</a>. See <a href="https://en.wikipedia.org/wiki/WP:Public_domain#Derived_works_and_restorations_of_works_in_the_public_domain" class="extiw" title="wikipedia:WP:Public domain">Wikipedia:WP:Public_domain#Derived_works_and_restorations_of_works_in_the_public_domain</a>