Calligrapher (B. 1891, Diyarbakır – D.19 May 1982, Istanbul). His real name is Şeyh Musa Azmi. In his articles he used the pen name of Şeyh Musa Azmî, Musa Azmîor only Azmî, and after 1916 Hâmidü'l-Âmidî or only Hâmid since he was from Diyarbakır. His father was Zülfikar Ağa who was one of the grandchildren of calligrapher Adem-i Amidi whose name was mentioned in Müstakimzâde’s Tuhfe, his mother was Müntehâ Hanım. He completed primary school in Diyarbakır, military middle school and high school. For higher education he went to Istanbul in 1908.
After continuing to Mekteb-i Nüvvâb (named Mekteb-i Kudât after 1910) for a year, his teachers saw his interest in and skills of arts and they encouraged him to inscribe to Academy of Fine Arts. However, upon the death of his father he had to work and could not complete his studies. He started to work as a calligraphy and painting teacher in Gülşeni State School in Haseki. During these years he was also busy with publishing. He served as a calligrapher in Rüsûmat (Customs) Printing House, War Academy Printing House and later in Printing House of General Staff, to where he was assigned upon the death of his teacher Mehmed Nazif Efendi, together with Mehmed Emin Efendi.
While on this duty he was assigned to Cartography Office in Berlin Germany upon the order of Yıldırım Armies Group for a year during the 1st World War and returned to Istanbul. After the armistice he resigned from his duty in the publishing house and started to work as a freelancer opening "Hattat Hamid Calligraphy School”. After the reform of alphabet in 1928 he turned his workshop into a publishing house and was busy with activities such as engraving, zincography, çinkografi, pantograph, printing luxury labels for products and business cards. He was the first person to use these techniques in Turkish pressing. Aside from these, he did not cease his interest in calligraphy and met private requests from Turkey and abroad. In 1960 he entered Paşabahçe Glass Factory. He wrote various calligraphies on glasses, which were produced here. In 1975 he retired and spent the rest of his life with calligraphy. After his death he was inhumed to Karacaahmet Cemetery, aside Şeyh Hamdullah’s grave.
His most important works are Holy Koran samples he wrote in which he brought the word “Allah” in lines under each other and taking Hasan Rızâ Efendi's Koran as basis. The first one of these was published in 1974 and in next years in Istanbul, Germany and Beirut. The next one was published in Istanbul in 1986. Aside from his works of Holy Koran chapters, En'âm-ışerif, Yâsîn-i şerif (T.N: Particular chapters from the Holy Koran), prayers and introductory books to the Arabic alphabet, he also produced countless works in the form of hilye, kıta, murakka and boards, which entered Turkish and world collections. Kırk Hadis, which consisted of his last writings, was published by the Ministry of Culture together with explanations of Abdülkadir Karahan
Aytaç who was not educated in the traditional style and who did not receive any permission from any calligrapher owes his success in this art to his skills, personal efforts and productive working. He tried almost all kinds of calligraphy. He wrote Koran samples, hilye, forty hadith, prayers, chapters, tablets, murakka and countless boards. He also prepared tablets and calligraphic writings of domes and bands in many mosques which were built or repaired in the republic period. He raised numerous students including Halim Özyazıcı. Thanks to his service and contributions to Turkish arts, which lasted about 75 years, he received in 1982 Aydınlar Ocağı Science and Arts Council’s Order of Merit. The first contest of calligraphy, which was organized by International Islamic Heritage Protection Commission, which is connected, to Islamic Conference Organization in Istanbul in 1986 was given his name.