al-Kindi
c. 801–873 CEيعقوب بن إسحاق الكندي"The philosopher of the Arabs"
- Field
- Philosophy · Mathematics
- City
- Baghdad
He brought Greek philosophy into Arabic thought and wrote on mathematics, optics and music; his treatise on deciphering messages contains the earliest known description of frequency analysis.
A founder of Islamic philosophy and of cryptanalysis.
Prepared from standard sources; pending scholar review.