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Ernst Otto Fischer

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Ernst Otto Fischer was a highly influential German chemist. He is best known for his pioneering work in organometallic chemistry. This field studies the relationships between organic molecules and metals. His research changed how scientists understand the structures of metal complexes. These discoveries opened new doors for chemical science.

Grabstaette Ernst Otto Fischer
Grabstaette Ernst Otto Fischer

Fischer's most famous work involved the study of sandwich complexes. These are unique molecules where a single metal atom is held between two flat layers of carbon. He began by investigating the structure of ferrocene. Earlier scientists had proposed a different shape, but Fischer challenged that idea. He provided the correct structural data for ferrocene. He also identified the structures of nickelocene and cobaltocene.

Grabstaette Ernst Otto Fischer
Grabstaette Ernst Otto Fischer

His research continued to reveal even more complex structures. Fischer studied the reactions of chromium(III) chloride with phenylmagnesium bromide. These reactions were very confusing to scientists at the time. Through this work, he isolated a substance called bis(benzene)chromium. This discovery was very important. It proved that an entire new class of sandwich complexes existed. This helped scientists predict how other metals might bond with carbon.

Grabstaette Ernst Otto Fischer
Grabstaette Ernst Otto Fischer

In the 1960s, Fischer's research group made even more specific discoveries. They found metal alkylidene and alkylidyne complexes. These specific types of molecules are now known as Fischer carbenes and Fischer-carbynes. These names honor his contribution to the field. His work covered many different types of metal complexes. He lectured extensively on metal carbonyls, olefins, arenes, indenyl, and cyclopentadienyl complexes.

Grabstaette Ernst Otto Fischer
Grabstaette Ernst Otto Fischer

Fischer's life began in Solln, a borough of Munich. He was born on 10 November 1918. His father, Karl T. Fischer, was a professor of physics at the Technical University of Munich. Ernst attended that same university for his studies. He graduated with his Abitur in 1937. During the Second World War, he served in Poland, France, and Russia. He began his chemistry studies at the Technical University of Munich in late 1941.

Grabstaette Ernst Otto Fischer
Grabstaette Ernst Otto Fischer

After the war, Fischer resumed his academic path. He graduated from the Technical University of Munich in 1949. He then worked as an assistant to Professor Walter Hieber. His doctoral thesis focused on the mechanisms of carbon monoxide reactions. He earned his doctorate in 1952. He remained at the Technical University of Munich for much of his career. He became a lecturer in 1955 and a professor in 1957. By 1964, he held the Chair of Inorganic Chemistry.

Grabstaette Ernst Otto Fischer
Grabstaette Ernst Otto Fischer

Fischer received many honors for his scientific achievements. In 1973, he won the Nobel Prize in Chemistry. He shared this prestigious award with Geoffrey Wilkinson. This prize recognized their work on organometallic compounds. He also joined the Bavarian Academy of Sciences in 1964. In 1969, he became a member of the German Academy of Natural Scientists, known as the Leopoldina. He published approximately 450 journal articles during his life.

Grabstaette Ernst Otto Fischer
Grabstaette Ernst Otto Fischer

Fischer was a global figure in the scientific community. He traveled to many countries to share his knowledge. He was a Firestone Lecturer at the University of Wisconsin–Madison in 1969. He served as a visiting professor at the University of Florida in 1971. He was also an Arthur D. Little visiting professor at the Massachusetts Institute of Technology in 1973. Fischer died in Munich on 23 July 2007. At the time of his death, he was the oldest living German Nobel laureate.

Grabstaette Ernst Otto Fischer
Grabstaette Ernst Otto Fischer
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