Andreas Greulich is an art historian and now galerist in Frankfurt/Main. He has published widely on the German circle of artists who freqeuented the Café du D?me and on Rudolf Groß mann he is a specialist in particular, especially his print graphics. Rudolf Groß mann (1882– 1941) grew up in an artistic milieu. He first studied medicine and philosophy in Munich from 1902 to 1904 and then went to Paris for five years, among others as a student of Lucien Simon. fter his return to Germany, Groß mann lived in Berlin and from then on worked as a graphic artist, among other things with book illustrations and portraits of celebrities, the latter appearing in Simplicissimus, among other publications. In 1928 he became a professor at the Berlin Art Academy. Groß mann was a member of the Berlin Secession and the Deutscher Kü nstlerbund. Christina Leber (born in 1966) studied Catholic theology and education and completed her studies with a doctorate. From 1992 to 1999 Christina Leber was a freelancer for numerous corporate collections, including Merrill Lynch, Goldman Sachs, Deutsche Bank, Tetra Pak, DG BANK and others. From 1999 to 2001 she was the managing director of the 2nd berlin biennial for contemporary art. Since 2003 she has been working for the DZ BANK art collection, first as curator, since 2011 as its director, now for the Kunststiftung DZ BANK. Christine Litz studied art history, German literature and education in Cologne and Bochum. With a doctorate in art history, she has curated numerous exhibitions on modern and contemporary art and published many texts and catalogues. She has worked at Museum Ludwig in Cologne, on the skulptur projekte mü nster 07, for the Lower Saxony Ministry of Science and Culture and at dOCUMENTA 13. She has been director of the Museum fü r Neue Kunst, Freiburg since 2012. Dietmar Mezler is an art historian who now works fort he Kunststiftung DZ BANK. After completed his studies at the Kunsthochschule Kassel on the concept of space in Modernist painting he was working for several German cultural institutions including for Kunsthistorisches Museum Vienna, Frankfurter Kunstverein, and SALT Istanbul. Isabel Herda studied European Art History and Medieval and Modern History at the University of Heidelberg. She has curated numerous exhibitions on modern and contemporary art and published many catalogues and texts. She has been curator at the Museum fü r Neue Kunst, Freiburg since 2001, where she is in charge of the Graphic Collection. She has curated numerous exhibitions and accompanying catalogues on modern and contemporary art. Lisa Bauer-Zhao is an art historian and received her PhD in the philosphy of of culture on the understanding of “ modernity” in Taiwanese art discourse. She has been curator at the Museum fü r Neue Kunst Freiburg since 2018.