= Nobel Prize in Physics in 1989
{c}
<Norman Foster Ramsey, Jr.> received one half for inventing the separated oscillatory fields method and applying it to the <hydrogen maser> and other <atomic clocks>. <Hans G. Dehmelt> and <Wolfgang Paul> received one quarter each for developing <ion trap> techniques.<The Nobel Prize in Physics 1989 by Nobel Prize Outreach>[Individual official 1989 summary: Ramsey one half, Dehmelt and Paul one quarter each; separated fields and clocks versus ion trapping.]{ref}
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