Who is Mr. Williams from Casting the Runes, and Other Ghost Stories and what is their importance? Casting_the_Runes English & Literature "Mr. Williams | Casting the Runes

Mr. Williams works in a museum and acquires an unusual picture of a manor house. He learns that the picture changes and a mysterious figure appears to be proceeding across the lawn. He eventually learns that the events shown in the picture tie in with something that happened previously.