Cacabey is a historical figure known for his role as a prominent Turkish astronomer and mathematician during the 13th century. He is best recognized for establishing the Cacabey Medrese, an important educational institution in Kırşehir, Turkey. This medrese focused on teaching astronomy, mathematics, and other sciences, contributing significantly to the intellectual landscape of the time. The Cacabey Medrese features a unique architectural design, including a large dome and a central courtyard. It served as a center for learning and research, attracting scholars from various regions. Cacabey's contributions helped advance scientific knowledge in the Islamic Golden Age, influencing future generations of thinkers.