Karl Friedrich Bonhoeffer
Encyclopedia

Life

Born in Breslau, he was an older brother of martyred theologian Dietrich Bonhoeffer
Dietrich Bonhoeffer
Dietrich Bonhoeffer was a German Lutheran pastor, theologian and martyr. He was a participant in the German resistance movement against Nazism and a founding member of the Confessing Church. He was involved in plans by members of the Abwehr to assassinate Adolf Hitler...

.

Bonhoeffer studied from 1918 in Tübingen
Tübingen
Tübingen is a traditional university town in central Baden-Württemberg, Germany. It is situated south of the state capital, Stuttgart, on a ridge between the Neckar and Ammer rivers.-Geography:...

 and Berlin
Berlin
Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

, finishing his PhD
PHD
PHD may refer to:*Ph.D., a doctorate of philosophy*Ph.D. , a 1980s British group*PHD finger, a protein sequence*PHD Mountain Software, an outdoor clothing and equipment company*PhD Docbook renderer, an XML renderer...

 in 1922 in Berlin with Walther Nernst
Walther Nernst
Walther Hermann Nernst FRS was a German physical chemist and physicist who is known for his theories behind the calculation of chemical affinity as embodied in the third law of thermodynamics, for which he won the 1920 Nobel Prize in chemistry...

. From 1923 to 1930 he was an assistant with Fritz Haber
Fritz Haber
Fritz Haber was a German chemist, who received the Nobel Prize in Chemistry in 1918 for his development for synthesizing ammonia, important for fertilizers and explosives. Haber, along with Max Born, proposed the Born–Haber cycle as a method for evaluating the lattice energy of an ionic solid...

 at Kaiser Wilhelm Institute for Physical Chemistry and Elektrochemistry in Berlin
Berlin
Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

 Dahlem
Dahlem
Dahlem can refer to:*Dahlem , a district of Berlin, part of the borough Steglitz-Zehlendorf.*Dahlem, North Rhine-Westphalia, a municipality in western Germany.*Dahlem, Rhineland-Palatinate, a municipality in south-western Germany....

. After the Habilitation in 1927, he became full professor at the University of Berlin. In 1930, Bonhoeffer was appointed a professor of Physical Chemistry at the University of Frankfurt. Four years later, he was appointed a professor of Physical Chemistry at the University of Leipzig
University of Leipzig
The University of Leipzig , located in Leipzig in the Free State of Saxony, Germany, is one of the oldest universities in the world and the second-oldest university in Germany...

. He became a professor for physical chemistry at the University of Berlin in 1947

Bonhoeffer was also director of the Kaiser Wilhelm Institute
Kaiser Wilhelm Institute
The Kaiser Wilhelm Society for the Advancement of Science was a German scientific institution established in 1911. It was implicated in Nazi science, and after the Second World War was wound up and its functions replaced by the Max Planck Society...

 for physical and electrochemistry (now the Fritz Haber Institute of the MPG).

In 1949, he was appointed director of the Max Planck Institute for Physical Chemistry
Max Planck Institute for Biophysical Chemistry
The Max Planck Institute for Biophysical Chemistry in Göttingen is a research institute of the Max Planck Society. Currently, 812 people work at the Institute, 353 of them are scientists....

 in Göttingen
Göttingen
Göttingen is a university town in Lower Saxony, Germany. It is the capital of the district of Göttingen. The Leine river runs through the town. In 2006 the population was 129,686.-General information:...

. The institute was restructured long after his death in 1971 and is know the Max Planck Institute for Biophysical Chemistry
Max Planck Institute for Biophysical Chemistry
The Max Planck Institute for Biophysical Chemistry in Göttingen is a research institute of the Max Planck Society. Currently, 812 people work at the Institute, 353 of them are scientists....

 in Göttingen
Göttingen
Göttingen is a university town in Lower Saxony, Germany. It is the capital of the district of Göttingen. The Leine river runs through the town. In 2006 the population was 129,686.-General information:...

, also known as the Karl Friedrich Bonhoeffer Institute.
In 1929 Bonhoeffer, together with Paul Harteck
Paul Harteck
Paul Karl Maria Harteck was a German physical chemist. He was arrested by the allied British and American Armed Forces and incarcerated at Farm Hall for six months in 1945 under Operation Epsilon.-Education:Harteck studied chemistry at the University of Vienna and the Humboldt University of Berlin...

, discovered the spin isomers of hydrogen
Spin isomers of hydrogen
Molecular hydrogen occurs in two isomeric forms, one with its two proton spins aligned parallel , the other with its two proton spins aligned antiparallel...

, orthohydrogen and parahydrogen.

He died in Göttingen
Göttingen
Göttingen is a university town in Lower Saxony, Germany. It is the capital of the district of Göttingen. The Leine river runs through the town. In 2006 the population was 129,686.-General information:...

in 1957 at the age of 58.
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