Seyyed Hossein Nasr, born in Tehran on April 7, 1933, is an Iranian philosopher, theologian, and Islamic scholar. He earned degrees in physics, geology, geophysics, and the history of science from prestigious institutions in the United States. Returning to Iran in 1958, he declined teaching positions at MIT and Harvard to become a professor of philosophy and Islamic sciences at Tehran University. He held prominent academic roles, including Vice-Chancellor at Tehran University and President of Aryamehr University, and established the Imperial Iranian Academy of Philosophy. Following the 1979 revolution, Nasr moved to the United States and became a prominent advocate of Islamic philosophy and the perennialist school of thought. His writings critique modern worldviews, defend Islamic and perennialist principles, and advocate for the resacralization of knowledge. He is recognized as a leading thinker on Islamic environmentalism and has authored numerous books and articles on these subjects.