A physicist.[ref]
Professional profile of Ivar Giaever. Independent professional profile
[ref]https://archives.rpi.edu/institute-history/commencement-speakers-honorary-degree-recipients?page=5. Independent professional profile
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Ivar Giaever is a Norwegian-American physicist and Nobel laureate known for his work in the field of condensed matter physics. He was awarded the Nobel Prize in Physics in 1973, along with Leo Esaki and Brian D. Josephson, for their experiments on tunneling phenomena in semiconductors. Giaever's research contributed to the understanding of how electrons can tunnel through barriers, which has implications for the development of various electronic devices.