Deady and Villard Halls at University of Oregon — The first two buildings on campus, only Deady Hall existed when the school opened in 1876 Photo Credit: By Persons gifting photographs to the Oregon State Library - Images courtesy of the Oregon State Library, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=29177143
Douglas Hofstadter — In Bologna, Italy, 2002 Photo Credit: By Maurizio Codogno, it:Utente:.mau. - Own work, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=906102
Romanos II — Photo Credit: By Published by Guillaume Rouille(1518?-1589) - "Promptuarii Iconum Insigniorum ", Public Domain, https://commons.wikimedia.org/w/index.php?curid=9004265
Death of Empress-dowager Helena Lekapene — September 961 Photo Credit: By 13th-century author. - History of John Skylitzes - Public Domain, https://commons.wikimedia.org/w/index.php?curid=20332951
Christopher Lekapenos from coin — Photo Credit: By Classical Numismatic Group, Inc. http://www.cngcoins.com, CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=27482235
Patriarch Nikephoros I of Constantinople — Photo Credit: By Internet Archive Book Images - No restrictions, https://commons.wikimedia.org/w/index.php?curid=43937334