Harvard University —
Photo Credit: By Source, Fair use, https://en.wikipedia.org/w/index.php?curid=17330783

Universities —
Photo Credit: (c) 2020 ShaneBow

Friedrich I, Barbarossa — gilded bronze, ca. 1160
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=9457219

University of Bologna —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=10337627

Jagiellonian University —
Photo Credit: By The logo may be obtained from Jagiellonian University., https://en.wikipedia.org/w/index.php?curid=27622561

Gaspard Monge —
Photo Credit: By François Séraphin Delpech - Public Domain, https://commons.wikimedia.org/w/index.php?curid=646122

École Polytechnique —
Photo Credit: By Julienribeiro95 - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=80627802

IBM — The eight-striped wordmark of IBM, the letters "IBM" in City Medium typeface. Introduced in 1967. Trademarked by International Business Machines Corporation
Photo Credit: By Paul Rand - Public Domain, https://commons.wikimedia.org/w/index.php?curid=2353404

California Institute of Technology —
Photo Credit: By Source, Fair use, https://en.wikipedia.org/w/index.php?curid=22327956

Gustav Robert Kirchhoff —
Photo Credit: By Smithsonian Libraries, Public Domain, https://commons.wikimedia.org/w/index.php?curid=1774907

Max Planck —
Photo Credit: By Unknown - Public Domain, https://commons.wikimedia.org/w/index.php?curid=20429172