The correct answer is option 4, Sir Syed Ahmed Khan. The Aligarh Movement was a socio-cultural and educational reform movement started by Sir Syed Ahmed Khan in the late 19th century. Sir Syed Ahmed Khan was a prominent Muslim philosopher, writer, and reformer who believed in the importance of education for the upliftment of the Muslim community in India. He established the Muhammadan Anglo-Oriental College in Aligarh, Uttar Pradesh, in 1875, which later became Aligarh Muslim University. Through this institution, Sir Syed aimed to provide modern education to Muslims and promote their social and political progress. The Aligarh Movement sought to bridge the gap between Western education and Islamic traditions, and it played a significant role in the intellectual and cultural awakening of Indian Muslims.