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Cover of the eBook al-Kindi (AI-generated image)
Tracing the Scholars of Islam • Series 20

al-Kindi

Philosopher of the Arabs, Pioneer of Frequency Analysis and Code-Breaking

Every time our messages, bank accounts or conversations are protected by secret codes, we inherit a method described in Baghdad more than a thousand years ago. The twentieth book of Tracing the Scholars of Islam tells the story of al-Kindi: the Philosopher of the Arabs, writer on optics, music and medicine, and pioneer of frequency analysis for breaking secret codes. “We will show them Our signs in the horizons and within themselves …”

📖 Free PDF 🕌 Verses of the Qur'an 📜 Hadith with Isnad 🛡️ Unproven Stories Marked

What You Will Learn

سَنُرِيهِمۡ ءَايَٰتِنَا فِي ٱلۡأٓفَاقِ وَفِيٓ أَنفُسِهِمۡ حَتَّىٰ يَتَبَيَّنَ لَهُمۡ أَنَّهُ ٱلۡحَقُّۗ أَوَلَمۡ يَكۡفِ بِرَبِّكَ أَنَّهُۥ عَلَىٰ كُلِّ شَيۡءٍ شَهِيدٌ

“We will show them Our signs in the horizons and within themselves until it becomes clear to them that it is the truth …”

Surah Fussilat (41): 53 — Sahih International
🌿 Reflection Truth is accepted wherever it comes from, and sought with honesty. Loss does not stop a believer.

This eBook Is For

Anyone who wants to know the early scholars

Parents & heads of families

Students of philosophy, science & ICT

Preachers, teachers & counsellors

Read the Full eBook — Free

The story of al-Kindi — verses 41:53 and 2:269, three authentic Hadith with linked chains, a timeline, a frequency-analysis chart, history notes marked separately, and a table of popular stories.

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← PreviousSeries 19: Banu Musa

🇲🇾 Read the Malay edition: al-Kindi

See the list of scholars in Tracing the Scholars of Islam