Black holes form in the early Universe and grow to millions or even billions of times the mass of our Sun as their gravity attracts surrounding matter. Accretion of matter onto a black hole releases a huge amount of energy, much of which comes out as light we can see. This lets us study how many supermassive black holes there are, what their distribution of masses is, and how their growth affects the formation and evolution of the galaxies that form around them. I will describe the discovery of a hidden population of supermassive black holes, found with recent multiwavelength surveys using NASA observatories in space. Many people – women, too, certainly – are interested in this kind of research. Where are they? As a student I thought it was simply a matter of time before women flooded astrophysics labs. As I progressed in my career, however, I saw fewer and fewer women. Where, I wondered, were the rest of the women? What happened to the students who were so interested and talented? Thus began my hobby, which is trying to understand the dearth of women in science. (Were they being sucked into black holes somewhere?) I’ll describe what I’ve learned and what we can do to improve the situation.