input: Brandon_Carter | knownFor | Carter_constant Brandon_Carter | doctoralAdvisor | Dennis_William_Sciama
target: Dennis William Sciama was the doctoral advisor for Brandon Carter, known for the Carter Constant.
references: Dennis William Sciama was the doctoral advisor for Brandon Carter, known for the Carter Constant. Brandon Carter, whose doctoral advisor was Dennis William Sciama, is known for the invention of the Carter constant. Dennis William Sciama is the doctoral advisor of Brandon Carter, who is known for the Carter constant.