Otto Hahn Plaque

In the heart of Berlin, a silent testament to scientific brilliance and complex history awaits us at the Otto Hahn Plaque. This plaque, nestled on Hessische Strasse in Mitte, marks the former workshop of the Chemistry Institute at Friedrich Wilhelm University. This very spot witnessed a groundbreaking discovery that would forever alter the course of history: nuclear fission. The Otto Hahn Plaque commemorates not only Hahn’s scientific genius, but also the intertwined lives and contributions of Lise Meitner and Fritz Strassmann. Otto Hahn, a German chemist, began his scientific journey at the University of Marburg. His passion for chemistry led him to London and then to Montreal, where he worked under the renowned Ernest Rutherford. Returning to Germany, Hahn established his laboratory in a former woodworking shop, a humble space that would become a crucible of scientific innovation. He collaborated with Lise Meitner, a brilliant Austrian physicist, forming a powerful partnership that spanned three decades. At the Otto Hahn Plaque, we reflect on the momentous events of 1938. Hahn and Strassmann, bombarding uranium atoms with neutrons, observed something unexpected. The uranium atom, instead of forming a heavier element, had split. Hahn, recognizing the magnitude of this discovery, confided in Meitner, who had been forced to flee Germany due to the escalating Nazi persecution. Meitner, along with her nephew Otto Frisch, provided the theoretical explanation for this phenomenon, coining the term “nuclear fission.” The Otto Hahn Plaque is a reminder of the complexities of scientific discovery in times of political turmoil. Hahn received the 1944 Nobel Prize in Chemistry for his work on nuclear fission, a recognition that was overshadowed by the absence of Meitner’s name. The plaque also stands as a symbol of Hahn’s later advocacy against the use of nuclear energy for military purposes, a testament to his commitment to social responsibility in the face of a world forever changed by his discoveries. The Otto Hahn Plaque is more than just a marker; it is a window into a pivotal moment in scientific history and a reflection on the profound consequences of scientific advancements. As we stand here, we are reminded of the power of collaboration, the resilience of the human spirit in times of adversity, and the enduring responsibility that comes with unlocking the secrets of the atom.