 And welcome back, George Norrie, along with Mark Hartzman. Mark, tell us about William Mumler. Who is he? William Mumler was the first spirit photographer. So in the mid-1800s, spiritualism became a huge religion, this idea that we don't die, that we can communicate with those who've passed on. And so this was a huge, huge belief. And William Mumler, in 1861, was a photographer in Boston who,