. . . . . "Wolfgang Paul (August 10, 1913 \u2013 December 7, 1993) was a German physicist, who co-developed the non-magnetic quadrupole mass filter which laid the foundation for what we now call an ion trap. He shared one-half of the Nobel Prize in Physics in 1989 for this work with Hans Georg Dehmelt; the other half of the Prize in that year was awarded to Norman Foster Ramsey, Jr."@en . "1913-08-10Z"^^ . "Paul, Wolfgang"@en . . . "1993Z"^^ . . . . . "1993-12-07Z"^^ . "1913Z"^^ . . . . "GermanPhysicist" . "Wolfgang Paul"@en . . . .