Tusi Observing — A stamp issued in the republic of Azerbaijan in 2009 honoring Tusi
Photo Credit: By Design: Kh. Mirzoyev - www.azermarka.az, Public Domain, https://commons.wikimedia.org/w/index.php?curid=10633772

Tusi's Observatory — Nasir al-Din al-Tusi at the observatory in Maragha, Persia. British Library.
Photo Credit: By Unknown - Saudi Aramco World. May/June 2007 edition., Public Domain, https://commons.wikimedia.org/w/index.php?curid=11829147

Nasir al-Din Tusi — Stamp issued in 1976 by Iran
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=829461

Distillation equipment of Zosimos — Illustration from the 15th century Byzantine Greek manuscript, Parisinus graces, as reproduced in, Collection des anciens alchimistes grecs (3 vol., Paris, 1887–1888, p.161),
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=38391119

Alchemical instruments used by Jabir Ibn Hayyan —
Photo Credit: By Unknown - Popular Science Monthly Volume 51, Public Domain, https://commons.wikimedia.org/w/index.php?curid=15076643

European depiction of Geber —
Photo Credit: By https://wellcomeimages.org/indexplus/obf_images/46/ff

Jabir Ibn Hayyan —
Photo Credit: http://muslim-academy.com/jabir-ibn-hayyan-father-chemistry/

Geber Trading Card — Liebig's Extract of Meat Company made Christmas Trading Cards of famous chemists - this one in 1929
Photo Credit: By Unknown - Science History Institute, Public Domain, https://commons.wikimedia.org/w/index.php?curid=36859300

Gerber — Codici Ashburnhamiani 1166, Biblioteca Medicea Laurenziana, Florence
Photo Credit: By Codici Ashburnhamiani 1166, Biblioteca Medicea Laurenziana(uploaded by user Halfdan) - Codici Ashburnhamiani 1166, Biblioteca Medicea Laurenziana, Florence, Public Domain, https://commons.wikimedia.org/w/index.php?curid=163740

Jabir Ibn Hayyan —
Photo Credit: https://harry0074.wordpress.com/tag/abu-musa-jabir-ibn-hayyan/

English Translation of Algebra by Al-Khwārizmī — From The Algebra of Al-Khwarizmi by Fredrick Rosen
Photo Credit: By Fredrick Rosen - MacTutor [1] [2], Public Domain, https://commons.wikimedia.org/w/index.php?curid=826441