Avicenna
Avicenna was born in Afshana, a village near Bukhara (in present-day Uzbekistan), the capital of the Samanids, a Persian dynasty in Central Asia and Greater Khorasan. His mother, named Sitāra, was from Bukhara; his father, Abdullāh, was a respected Ismaili scholar from Balkh, an important town of the Samanid Empire, in what is today Balkh Province, Afghanistan. His father worked in the government of Samanid in the village Kharmasain, a Sunni regional power. After five years, his younger brother, Mahmoud, was born. Avicenna first began to learn the Quran and literature in such a way that when he was ten years old he had essentially learned all of them.
Manuel Acuña
Acuña was born in the city of Saltillo, Coahuila, on August 27, 1849 to Francisco Acuña and Refugia Navarro. He was taught how to write and read at an early age. His parents received the first letter. Subsequently studied at the College Josefino Saltillo city and around 1865 he moved to Mexico, where he entered as a boarder at the College of San Ildefonso, where he studied mathematics, Latin, French and Philosophy. Subsequently, In January 1868 he began his studies at the School of Medicine.