Änderungen

== Kurzvita ==

== Kurzvita ==

=== Education ===

=== Education ===

* 1986 Habilitation at Faculty of Mathematics, Technical University of Berlin     

* 1986 Habilitation at Faculty of Mathematics, Technical University of Berlin     

== Vernetzung ==

== Vernetzung ==

=== Advisory and Leading Roles for Extra-Academic Institutions, e.g. professional organizations, cultural and political institutions ===

'''Advisory and Leading Roles for Extra-Academic Institutions, e.g. professional organizations, cultural and political institutions'''

* [[BACOMET]]  Basic Components of Mathematics Education for Teachers, Founding Member (1985-ongoing) and Director (1989-1993)       

* [[BACOMET]]  Basic Components of Mathematics Education for Teachers, Founding Member (1985-ongoing) and Director (1989-1993)       

* [[Beirat Mathematik]]  Advisory Board for Mathematics of the Ministry for Education of Berlin Member (1989-2000);     

* [[Beirat Mathematik]]  Advisory Board for Mathematics of the Ministry for Education of Berlin Member (1989-2000);