Henrik Beuther is a scientific staff member at the Max Planck Institute for Astronomy in Heidelberg and is also associate professor at Heidelberg University. Ralf S. Klessen is professor for theoretical astrophysics at the Center for Astronomy at Heidelberg University, where he served as director of the Institute for Theoretical Astrophysics and as Dean of Study in the Faculty ... Read moreof Physics and Astronomy. Cornelis P. Dullemond is professor for theoretical astrophysics at the Center for Astronomy at Heidelberg University, where he currently serves as director of the Institute for Theoretical Astrophysics. Thomas Henning is director at the Max Planck Institute for Astronomy in Heidelberg leading its Planet and Star Formation Department. He is also professor at the University of Jena and honorary professor at the Heidelberg University. Show Less