The professional estate of Ernst Otto Fischer (*1918 – †2007) spans from 1948 to 1957 and contains personal documents as well as documents from his teaching activities. Professor Ernst Otto Fischer held the Chair of Inorganic Chemistry at the Technical University of Munich from 1964 to 1984. Together with Geoffrey Wilkinson, he was awarded the Nobel Prize in Chemistry in 1973 for their research on metalorganic sandwich complexes. The estate of Professor Ernst Otto Fischer is currently partially cataloged.