Memorial Colloquium in Honor of Prof. Dr. Hans-Joachim Queisser

January 14, 2026

On January 9, 2026, the Max Planck Institute for Solid State Research (MPI-FKF) hosted a Memorial Colloquium in honor of Prof. Dr. Hans-Joachim Queisser. As one of the institute’s founding directors, he played a decisive role in shaping the MPI-FKF over nearly three decades. Prof. Queisser passed away on June 27, 2025, at the age of 93. The colloquium brought together colleagues, former companions, members of the institute, and members of his family to commemorate his life and legacy.

Portrait of Prof. H-J Qeisser

Hans-Joachim Queisser was instrumental in establishing the Max Planck Institute for Solid State Research in Stuttgart. From the outset, he helped define its scientific direction and fostered a research culture grounded in excellence, openness, and long-term perspective. A strong advocate of collaboration across disciplinary boundaries, he contributed significantly to the institute’s reputation as an internationally recognized center for fundamental research.

The Memorial Colloquium reflected these principles. Following an informal gathering over coffee, the scientific program commenced in Lecture Hall 2D5. The opening lecture was delivered by Prof. Bernhard Keimer, Managing Director of MPI-FKF, who emphasized the institute’s interdisciplinary strength—an aspect closely linked to Prof. Queisser’s conviction that many advances in solid state research emerge at the interfaces between disciplines.

One of the highlights of the morning was the talk by Prof. Klaus von Klitzing, Nobel Laureate and long-time colleague of Prof. Queisser. Combining scientific insight with personal anecdotes and a touch of humor, his lecture was both engaging and warmly received, offering a vivid impression of their shared scientific journey.

Additional contributions from speakers representing academia, research institutions, and industry—including Prof. Uwe Rau, Dr. Jiri Marek, Prof. Klaus Richter, Prof. Ernst Otto Göbel, Prof. Dieter Bimberg, and Prof. Karl Leo—underscored the breadth of Prof. Queisser’s influence. Many emphasized that he took a lasting interest not only in scientific results but also in the careers and personal paths of his doctoral researchers and students. He was remembered as a mentor who supported young scientists with advice, genuine curiosity, and access to his extensive professional network.

A particularly personal moment was the screening of “The Dance of the Solids,” a film created for Prof. Queisser’s 75th birthday, which vividly conveyed his enthusiasm for solid state physics and his joy in scientific exchange.

The day concluded with time for informal discussion and a shared dinner. The Memorial Colloquium made clear that Prof. Hans-Joachim Queisser’s legacy continues to shape the MPI-FKF—in its interdisciplinary approach, its commitment to nurturing young talent, and its understanding of science as both an intellectual and a deeply human endeavor.

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In a conference room, several attendees engage in conversation near red chairs. A podium and a projection screen are visible in the background.
Audience seated in a lecture hall.
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Lecture in a large auditorium with attendees focused on a presentation.
Memorial book and pens on black tablecloth.

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