Kevin SCHAWINSKI
(ETH Zurich)
The z>6 universe holds the last unknown territory for black hole astrophysics. Both the seed formation mechanism(s) and early growth phases - in particular any galaxy-black hole link - remains virtually unexplored. I will present results from, and perspectives for, multiple observational efforts to map out this area. I will present recent results from X-ray stacking putting increasingly strong constraints on z=6-8 AGN and results from the search for individual sources at z>6 in CDFS. I will also discuss perspectives for what we will do with the COSMOS Chandra XVP data, both in terms of stacking and following-up individual sources.