Complex sentence: Barbara Graham (June 26,1923--June 3,1955) was an American criminal and convicted murderess who was executed in the gas chamber on the same day as two accomplices, Jack Santo and Emmett Perkins.
Split into simpler sentences: Barbara Graham (June 26,1923--June 3,1955) was an American criminal and convicted murderess. She was executed in the gas chamber on the same day as two convicted accomplices, Jack Santo and Emmett Perkins.