In the beginning of the novel, ten people are invited to Soldier Island for various reasons but don't know that they will begin to die one by one. Among these ten was the gullible Dr.Armstrong. In “And Then There Were None” by Agatha Christie, Dr.Armstrong medical background and traits like secretive and gullibility have an impact on the outcome of the story. Dr.Armstrong strengths like being secretive and having a medical background caused the others to think that Wargrave was dead. After Emily Brent died, Wargrave faked his death , and Dr.Armstrong knowing this confirmed to the other guests that Wargrave was dead. Everyone believed him because he took an examination and when he took it “Dr.Armstrong lifted the lifeless hand and felt
