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David W. Tschanz

David W. Tschanz is a medical/military historian based in KSA. He is also an epidemiologist, web developer, computer systems engineer, editor and demographer.

Author Articles

Unlocking The Secrets Of Sight

Unlocking The Secrets Of Sight

Edited by Karima Burns The hot and dusty plains of the Middle East have always created an environment in which endemic diseases of the eye such as trachoma and ophthalmia are unusually prevalent. During the Middle Ages, blindness was the leading cause of disability throughout the Islamic world, and an extensive specialist literature developed in …

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Abu Al-Nasr Al-Farabi: The Second Teacher

Abu Al-Nasr Al-Farabi: The Second Teacher

Abu Nasr Mohammad Ibn al-Farakh Al-Farabi was born to a noble family in the small village of Wasij, in the province of Farab in Turkestan, in 872 AD (259 AH). His works included several rich commentaries on Aristotle’s physics, meteorology, and logic – in addition to a large number of books on several other subjects …

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Jabir Ibn Hayyan and Islamic Golden Era Alchemists

Jabir Ibn Hayyan and Islamic Golden Era Alchemists

The word “alchemy” brings to mind images of pseudo-scientists huddling over bowls of liquids, mixing strange potions and dabbling in the occult. However, the true goal of alchemy was nothing less than the transmutation of the “base” (i.e., more reactive) metals into gold. Alchemists also sought a single cure for all diseases and a way …

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Al-Jahiz, the First Muslim Zoologist - About Islam

Al-Jahiz, the First Muslim Zoologist

In every generation and among every nation, there are a few individuals with the desire to study the workings of nature; if they did not exist, those nations would perish. So wrote Abu ‘Uthman ‘Amr ibn Bakr al-Kinani al-Fuqaimi al-Basri, better known asal-Jahiz– the Goggle-Eyed – in his magnum opus, theBook of Animals. Al-Jahiz himself …

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