Malik Ahmed Ayāz bin Aymāq Abu'n-Najm, was a slave from Georgia who rose to the rank of officer and general in the army of Sultan Mahmud of Ghazni. He was later awarded the governorship of Lahore thus
Ayaz standing behind Sultan Mahmud shaking hands with the Sheykh. The figure to his right is Shah Abbas I who reigned about 600 years later. Tehran Museum of Contemporary Art, Tehran
Ayaz kneeling before Sultan Mahmud of Ghazna From Six poems by Farid al-Din 'Attar; Southern Iran, 1472; British Library, London
Abu Rayhan Muhammad ibn Ahmad al-Biruni, known as al-Biruni was a Khwarazmian Iranic scholar and polymath during the Islamic Golden Age. He has been called variously "Father of Comparative Religion",
An imaginary rendition of Al Biruni on a 1973 Soviet postage stamp
An illustration from al-Biruni's astronomical works in Persian, explains the different phases of the Moon, with respect to the position of the Sun
Four directions and political divisions of Iran by Abū Rayḥān al-Bīrūnī
The statue of Al-Biruni in United Nations Office in Vienna