Alington West

In the short story The Red Signal, Sir Alington West was a noted psychiatrist, and the uncle of Dermot West. He was invited to a dinner party at the London home of Jack and Claire Trent. The other guests are Dermot and Mrs Violet Eversleigh. After dinner, a seance is conducted where the the medium gets a message that one of the gentlemen present should not go home because there will be danger and blood.

After the dinner Sir Arlington was murdered in his home.