 
	The First Accretion Light in the Universe SWG will be responsible for identifying outstanding science questions related to black hole seed formation, X-rays from early BHs, X-ray binaries in early galaxies, reionization of the universe, and cross-correlation of X-ray emission from high-z with other tracers, developing a compelling science case, and aiding the STDT with producing a mission concept that best addresses these questions.
| Science Working Group Co-Chairs:: | ||
| Niel Brandt | The Pennsylvania State University | |
| Piero Madau | UC Santa Cruz | |
| Daniel Stern | Jet Propulsion Laboratory | |
| Science Working Group Members: | ||
| James Aird | Institute of Astronomy, University of Cambridge | |
| Nico Cappelluti | Yale University | |
| Francesca Civano | SAO | |
| Andrea Comastri | INAF-Osservatorio Astronomico di Bologna | |
| Paolo Coppi | Yale University | |
| Anastasia Fialkov | Harvard (ITC) | |
| Francesca Fornasini | Harvard-Smithsonian CfA | |
| Elena Gallo | University of Michigan | |
| Mélanie Habouzit | Institut d'Astrophysique de Paris | |
| Zoltan Haiman | Columbia University | |
| Philip Kaaret | University of Iowa | |
| Demosthenes Kazanas | NASA/GSFC | |
| Ildar Khabibullin | Max Planck Institute for Astrophysics, Garching & Space Research Institute RAS, Moscow | |
| Joseph Lazio | Jet Propulsion Laboratory, California Institute of Technology | |
| Bin Luo | School of Astronomy and Space Science, Nanjing University, China | |
| Mar Mezcua | Institute of Space Science | |
| Takamitsu Miyaji | Universidad Nacional Autonoma de Mexico | |
| Dan Schwartz | SAO/CXC XRS Study Office | |
| Ohad Shemmer | University of North Texas | |
| Benny Trakhtenbrot | ETH Zurich | |
| Cristian Vignali | University of Bologna | |
| Fabio Vito | The Pennsylvania State University | |
| Marta Volonteri | Institut d'Astrophysique de Paris | |