For decades, Willy Clarkson reigned as London’s most famous theatrical wigmaker and costume designer. Also renowned as a master of disguise, he did business with countless customers intent on concealing their identities. According to Clarkson’s early biographer, Jack the Ripper was one of them. However, documentarian P. William Grimm has recently argued that Clarkson and Jack were one and the same person. Show notes and full transcripts available at www.artofcrimepodcast.com.  If you'd like to support the show, please consider becoming a patron at www.patreon.com/artofcrimepodcast.