Media Contributed by Rick

Contributor
RickStudent, Philosopher, Writer, Developer
Portrait of Évariste Galois aged about 15 —
Photo Credit: Galois - Œuvres mathématiques, Gauthier-Villars, 1897, p.18, Public Domain, https://commons.wikimedia.org/w/index.php?curid=28955392
Portrait of Évariste Galois aged about 15
Satoshi Nakamoto message embedded in the coinbase of the first block
Bitcoin genesis block — Satoshi Nakamoto message embedded in the coinbase of the first block
Photo Credit: By MikeG001 - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=83911930
Bitcoin genesis block Satoshi Nakamoto message embedded in the coinbase of the first block
blank mask —
Photo Credit: https://th.aliexpress.com/w/wholesale-blank-mask.html
blank mask
Bitcoin —
Photo Credit: https://currency.com/trade-bitcoin
Bitcoin
Hal Finney —
Photo Credit: By Source (WP:NFCC#4), Fair use, https://en.wikipedia.org/w/index.php?curid=56231886
Hal Finney
Emblem of the Polish General Staff —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=5731792
Emblem of the Polish General Staff
The classification of Al-Qalqashandi —
Photo Credit: By Hazem taha hussein - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=58914349
The classification of Al-Qalqashandi
page of Ṣubḥ al-aʿshā —
Photo Credit: By عطوة بن علي المكنّى بعليق الهونيني العباسي - Public Domain, https://commons.wikimedia.org/w/index.php?curid=34195429
page of Ṣubḥ al-aʿshā
Equatorium —
Photo Credit: By Johann Schöner - Public Domain, https://commons.wikimedia.org/w/index.php?curid=11007058
Equatorium
So-called Chaucer Astrolabe dated 1326, similar to the one Chaucer describes, British Museum
Chaucer Astrolabe — So-called Chaucer Astrolabe dated 1326, similar to the one Chaucer describes, British Museum
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=23589114
Chaucer Astrolabe So-called Chaucer Astrolabe dated 1326, similar to the one Chaucer describes, British Museum
By John William Waterhouse
A Tale from the Decameron — By John William Waterhouse
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=1149585
A Tale from the Decameron By John William Waterhouse
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