Keith Haring | Keith Richards | Keith Urban | Toby Keith | Keith Jarrett | Keith Emerson | Keith Moon | Keith Carradine | Keith Sweat | Keith | Countdown with Keith Olbermann | Keith Miller | Keith Giffen | Keith David | David Keith | Keith Whitley | Keith Park | Keith Olbermann | Keith Jardine | Keith Green | Keith Ellison | Brian Keith | Keith Thibodeaux | Keith Rothfus | Keith Lockhart | Keith Ellison (politician) | Keith Barron | Kool Keith | Keith Van Horn | Keith Michell |
This trend began some time in the late 1960s and early 1970s, when such philosophers as Keith Donnellan, David Kaplan, Saul Kripke, Ruth Barcan Marcus, and Hilary Putnam began to entertain arguments against Frege's theory.