Edgar Heilbronner was a Swiss

Switzerland

Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

 German

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 chemist

Chemist

A chemist is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties such as density and acidity. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component atoms...

. In 1964 he published the concept of Möbius cyclic annulenes

Möbius–Hückel concept

The Möbius-Hückel treatment is one of two predicting reaction allowedness versus forbiddeness. The concept is the counterpart of the Woodward-Hoffmannapproach...

, but the first Möbius aromatic was not synthesized until 2003.
Edgar Heilbronner was a professor at the ETH in Zürich, Switzerland for many years but then was offered a professorship in Basel, Switzerland
where we spent the remainder of his career.