Karl Popper

Karl Popper (28 July 1902 – 17 September 1994) was an Austrian philosopher and writer known for his contributions to the philosophy of science and social theory. Born in Vienna, Popper later obtained citizenship in several countries, including Austria-Hungary, the First Austrian Republic, the Federal State of Austria, the United Kingdom, and the United Kingdom of Great Britain and Ireland.

Popper was educated at the University of Vienna and the University of Cambridge. During his academic career, he advised doctoral students such as A. I. Sabra and Charles Leonard Hamblin. Moritz Schlick was Popper's doctoral advisor.

In addition to his work as a philosopher and writer, Popper was also a sociologist. He was married to Josefine Anna Henninger, and had Austrian nationality.

Popper authored several notable works, including "The Logic of Scientific Discovery," "The Poverty of Historicism," "The Open Society and Its Enemies," and "Unended Quest: An Intellectual Autobiography". He passed away in London in 1994.