Ibn Sina and Biruni were two of the most outstanding thinkers to have lived between ancient Greece and the European Renaissance. These two giants of a lost era of enlightenment were born in Central Asia about the year 980. For six hundred years Ibn Sina's Canon of Medicine defined the field of medicine from Europe to India, while his thoughts on God and philosophy influenced Muslims, Jews, and Christians, including St. Thomas Aquinas.
This is a companion discussion topic for the original content at https://www.worldhistory.org/article/2260/ibn-sina-biruni-and-the-lost-enlightenment/.