From 1984 to 1990 he was director of the German Max Planck Society.

From 1996 to 2002, he was President of the Max Planck Society.

The Max Planck Society consists of nearly 80 research institutes.

"He has not yet received a contract from the Max Planck Society."

It is a part of the Max Planck Society.

Not open to the general public, it is a property of the Max Planck Society and used for conferences.

In 2006, this research station, with the current scientific leader's retirement, is to be closed by the Max Planck Society.

He was director of the Max Planck Society from 1984 until 1990.

The caesar-directors are scientific members of the Max Planck Society.

In 1948 it became part of the Max Planck Society.