Jolien D. E. Creighton is an Associate Professor of Physics at the University of Wisconsin?Milwaukee and a member of the LIGO Scientific Collaboration, which he joined in 1998. He received his doctoral degree at the University of Waterloo where he studied the thermodynamical properties of black holes. Warren G. Anderson is a scientist at the University of Wisconsin?Milwaukee and a member of the LIGO Scientific Collaboration, which he joined in 1998. He received his doctorate at the University of Alberta under Werner Israel, where he worked on Black Hole physics, and has also held a tenure track position at The University of Texas at Brownsville. He also received Master's degrees in Medical Physics (University of Alberta) and Applied Mathematics (University of Waterloo).