Liu Xiang —
Photo Credit: Li Ung Bing, Outlines of Chinese History, Shanghai 1914, p.79, Public Domain, https://commons.wikimedia.org/w/index.php?curid=3117848

title page - De mirabili potestate artis et naturae —
Photo Credit: http://www.libex.ru/detail/book170834.html

Roger Bacon statue —
Photo Credit: CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=131754

"Friar Bacon's Study" — in Oxford. By the late 18th century this study on Folly Bridge had become a place of pilgrimage for scientists, but the building was pulled down in 1779 to allow for road widening
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=12315828

De Secretis Operibus Artis et Naturae, et de Nullitate Magiae 1618 —
Photo Credit: https://www.abebooks.com/first-edition/Secretis-Operibus-Artis-Naturae-Nullitate-Magiae/22904052100/bd

Ginsburg officially accepting the nomination from President Bill Clinton — on June 14, 1993
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=79917060

Ruth Bader Ginsburg —
Photo Credit: By Supreme Court of the United States - Public Domain, https://commons.wikimedia.org/w/index.php?curid=55329542

RSA —
Photo Credit:

Leonard Adleman —
Photo Credit: By len adlmen - by mail from len adlman, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=9837306

Share a secret —
Photo Credit:

University House - University of Warwick —
Photo Credit: CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=920328