Abū al-Qāsim ʿAbbās ibn Firnās ibn Wardās al-Tākurunnī, known as ʿAbbās ibn Firnās was an Andalusi polymath: an inventor, astronomer, physician, chemist, engineer, musician, and poet. He was reported to have experimented with unpowered flight. 810 – 887; died at about 76. Alive at the same time as Alfred the Great, Ādi Shankara, Al-Shafi'i, Rudaki, and Muḥammad ibn Musa al-Khwarizmi. Wiki link