He was a professor for economic , labor and social law at the University of Kassel and also legal counsel for IG Metall for almost 25 years . In this function he accompanied the entire industrial action and exerted a decisive influence on the development of legal policy. He was also the managing director of the Otto Brenner Foundation for many years .
He is also the founder and publisher of the text collection of labor and social order, which has been published annually for over 40 years .
- Labor dispute. History - Law - Present . 1st edition. CH Beck, Munich 2005, ISBN 3-406-53580-1
- Employment Law. Practical manual (with Bertram Zwanziger and Olaf Deinert). 9th edition. Bund-Verlag, Frankfurt am Main 2017, ISBN 978-3-7663-6605-4
- BetrVG Works Constitution Act (with Wolfgang Däubler , Thomas Klebe and Peter Wedde). 16th edition. Bund Verlag, Frankfurt am Main 2018, ISBN 978-3-7663-6635-1
- Work and social order . 44th edition. Bund Verlag, Frankfurt am Main 2019, ISBN 978-3-7663-6856-0
|BRIEF DESCRIPTION||German legal scholar and labor lawyer|
|DATE OF BIRTH||1941|