Reinhold Baer (* July 22, 1902 in Berlin; † October 22, 1979 in Zürich) was a mathematician, working mostly on set theory, topology and algebra. He was a driving force behind group theory in Germany and contributed mostly to this field.

The philologist Walter Burkert (* February 2, 1931 in Neuendettelsau; † March 11, 2015 in Uster) was mainly engaged in the Hellenistic period. He is considered to be a pioneer of the analysis of extra-literary iconographic sources.

Karl Jaspers (* February 23, 1883 in Oldenburg; † February 26, 1969 in Basel) contributed to the development of psychiatry and philosophy. He discussed political questions, such as the development of democracy in Germany and the usage of the atomic bomb, in his philosophical works.

Mathematician Konrad Knopp (* July 22, 1882 in Berlin; † April 20, 1957 in Annecy) made major contributions to the field of series expansion. Furthermore, Knopp was one of the founders of 'Mathematische Zeitschrift'.

The philosopher Maurice Merleau-Ponty (* March 14, 1908 in Rochefort-sur-Mer; † May 3, 1961 in Paris) is one of the great exponents of phenomenology. He analysed the terror of the Stalinist regime in the Soviet Union in his political writings.

Paul Moraux (* January 14, 1919 in Oizy; † September 26, 1985 in Berlin) was a Belgian classical philologist who studied the philosophy of Aristotles. He was a corresponding member of the German Archaeological Institute and the Turkish Historical Society. His two major projects are Aristotelianism among the Greeks, in which Moraux traces the history of the transmission and influence of the Aristotelian writings, and a list of all surviving manuscripts under the title Aristoteles Graecus.

Martin Persson Nilsson (* July 12, 1874 in Stoby, Kristianstads län, Sweden; † April 7, 1967 in Lund) was a Swedish classical philologist and historian of religion. He researched in almost all areas of classical antiquity, especially the Greek religion. His research findings were significant in ethnology as well as in, above all, Swedish folklore.

Max Planck (* April 23, 1858 in Kiel; † October 4, 1947 in Göttingen) was a German physicist in the field of theoretical physics who was of great importance for his foundation of quantum theory. In 1918 he received the Nobel Prize in Physics for the discovery of a constant in a fundamental physical equation, which was later named Planck's constant after him.

Ernst Tugendhat (* March 8, 1930 in Brno) is a German philosopher and former professor at the Free University of Berlin. In his early works he was influenced above all by Martin Heidegger and Edmund Husserl. Through his later works, Tugendhat became one of the most important representatives of analytical philosophy in Germany.

Jacob Diederik Jan (Jacques) Waardenburg (* March 15, 1930 in Haarlem, Netherlands; † April 8, 2015 in Utrecht) was a Dutch scholar of religion and Islam and a sharp critic of 'classical religious phenomenology'. He researched the relationship between Christians and Muslims in the past and present, as well as methodological and theoretical questions in Islamic Studies and Religious Studies.