Lawrence Bacon
From Tatters of the King
Lawrence Bacon is a London antique dealer and rumoured occultist, identified by Vincent Tuck as the leader of Alexander Roby's circle of friends. Dr Lionel Trollope's last letter implies that Bacon may know something about the Roby murders.
Tuck revealed Bacon's address to be 112 Liverpool Road, N1. According to Vincent Tuck's report Bacon once killed a man using black magic.
Tuck describes him as tall and heavily-built with greying hair and a full beard. he looked about 55 year's old in 1925.