Hans Reichenbach

German–American philosopher

The publication of the 1951 volume The Rise of Scientific Philosophy marked a pinnacle in the career of a thinker who bridged the disciplines of physics, mathematics, and logic. Hans Reichenbach applied rigorous analytical methods to the structure of human knowledge, influencing the trajectory of twentieth-century philosophy through his focus on empirical evidence and probabilistic reasoning.

Early Education and Political Involvement

Born in Hamburg in 1891, Reichenbach pursued studies in engineering at the University of Applied Sciences Stuttgart and advanced mathematics and physics across various institutions, including the University of Erlangen-Nuremberg. During his youth, he engaged in political activism, authoring the 1918 Platform of the Socialist Student Party. However, after attending lectures by Albert Einstein in 1919, he shifted his focus entirely toward academic research and philosophical inquiry.

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Philosophical Frameworks

Reichenbach’s intellectual output prioritized the philosophy of science. His doctoral dissertation, finalized in 1916, examined probability within the mathematical representation of reality. In his early teaching at the University of Applied Sciences Stuttgart, he explored the philosophical implications of relativity, challenging traditional Kantian notions. Throughout his career, he emphasized the distinction between the context of discovery and the context of justification, asserting that the process of developing scientific ideas differs fundamentally from the logical process of validating them.

The Berlin Circle and International Career

In 1926, he secured an assistant professorship at the Friedrich Wilhelm University of Berlin. Two years later, he established the Society for Empirical Philosophy, frequently identified as the Berlin Circle, which fostered collaboration among thinkers such as David Hilbert and Richard von Mises. Following his dismissal from Berlin in 1933, he moved to Turkey to chair the philosophy department at Istanbul University. In 1938, he relocated to the United States to join the faculty at the University of California, Los Angeles, where he remained until his death in 1953.

Fast facts

Questions readers ask

What was the Berlin Circle?

Founded by Reichenbach in 1928, it was a society for empirical philosophy that facilitated debate among prominent academics of the time.

Why did Reichenbach leave Germany in 1933?

He was dismissed from his position at the Friedrich Wilhelm University of Berlin under government-mandated racial laws.

Achievements

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