input: Brandon_Carter | professionalField | General_relativity Brandon_Carter | knownFor | Carter_constant
target: Brandon Carter, a specialist in General Relativity, is known for the Carter Constant.
references: Brandon Carter, a specialist in General Relativity, is known for the Carter Constant. Brandon Carter is a physicist whose professional field was on General Relativity is known for the invention of the Carter constant. Brandon Carter, a professional in the field of general relativity, is known for the Carter constant.