The theory group in 2022:
Matthias, Henri, Birgit, Gaétan, Elisabet, Peter, Daniel

The theory group in 2014:
Somnath, Kevin, Felix, Peter, Fred, Birgit, Fernando, Philipp

The theory group in 2008:
Fernando, Ling-Ju, Joachim, Peter, Alexander, Chuang-Chieh, Felix, Birgit, Stefan, Michael

The theory group in 2007:
Birgit, Daniel, Christian, Peter, Joachim, Stefan, Alexander

The theory group in 2005:
Sammy, Alexander, Peter, Stefan, Valentina, Daniel

The theory group in 2003:
Daniel, Stefan, Peter, Valentina, Bolette