Every now and then, deconarch.com proudly features contributions by guest authors who are particularly qualified in their respective area of expertise. Guest authors have been: Marwa al-Sabouni, architect; Katharina Bosch, art historian; Rolf Mauer, architect and editor-in-chief of AZ / Architekturzeitung; Thomas Schielke, arclight; Zdravka Sahatchieva, architect.