The Series narrates the life and the scientific works of the Iranian mathematician and astronomer Ghiyath al-Din Jamshid Kashani (1380–1429). It covers the entire life of Jamshid Kashani, from his birth in Kashan, until his death in Samarkand where he lived during the later part of his life, on the invitation of the Timurid ruler of Samarkand Ulugh Beg, as the designer, architect and director of the Samarkand observatory.