OBSERVATORY OF ULUGBEK
By the construction of this magnificent structures Ulugbek attracted prominent scientists, including "Ptolemy of his era" Alauddin Ali ibn Muhammad, nicknamed Ali Kushchi, "Plato of his age," Salahuddin Muhammad ibn Musa Kazi Zade Rumi, "the greatest connoisseur" Ghiyasuddin al -Kashi and others who developed the project, as well as improved the necessary astronomical instruments.