The '''relativists''', called by themselves ''"gravity physicists"'' or more recently "''mathematical physicists'',"'' are scientists who in words of [[Feynman]] are ''"neither good physicists nor good mathematicians."''<ref>Richard P. Feynman, ''"Feynman lectures on physics"''</ref> Feynman described: | The '''relativists''', called by themselves ''"gravity physicists"'' or more recently "''mathematical physicists'',"'' are scientists who in words of [[Feynman]] are ''"neither good physicists nor good mathematicians."''<ref>Richard P. Feynman, ''"Feynman lectures on physics"''</ref> Feynman described: |