James Chadwick — Photo Credit: By Los Alamos National Laboratory - Los Alamos National Laboratory, Attribution, https://commons.wikimedia.org/w/index.php?curid=36283260
Otto Hahn — Photo Credit: By Basch / Opdracht Anefo - Dutch National Archives, The Hague, Nederlands Persbureau (ANEFO), 1945-1989 bekijk toegang 2.24.01.04 Bestanddeelnummer 923-4491, CC BY-SA 3.0 nl, https://commons.wikimedia.org/w/index.php?curid=36966973
Lise Meitner — Photo Credit: By Smithsonian Institution - Flickr: Lise Meitner (1878-1968), lecturing at Catholic University, Washington, D.C., 1946, No restrictions, https://commons.wikimedia.org/w/index.php?curid=18386027
Former Kaiser-Wilhelm-Institut for Chemistry in Berlin — The place at which nuclear fission was first detected Photo Credit: By Fridolin freudenfett (Peter Kuley) - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=18058567
Entrance of the administrative headquarters of the Max Planck Society in Munich — Photo Credit: By Maximilian Dörrbecker - Own work, CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=2131565
Logo of the Max Planck Society — Photo Credit: By Original webpage: https://www.mpg.de/enArchived webpage: https://web.archive.org/web/20220827110914/https://www.mpg.de/en, Fair use, https://en.wikipedia.org/w/index.php?curid=71618053
Budapest University of Technology and Economics — Building K, 2019.03.19 Photo Credit: By Bonpethu - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=77446370
Einstein Refrigerator Annotated patent drawing — Clarified and annotated version with colors showing phases Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=21931943