Ralph W. Holzenthal – a mentor and friend retires

• Steffen U. Pauls,
• Robin Thomson,
• Ernesto Rázuri-Gonzales

Affiliations

Steffen U. Pauls

Justus-Liebig-University Gießen

Robin Thomson

University of Minnesota

Ernesto Rázuri-Gonzales

Senckenberg Research Institute and Natural History Museum Frankfurt