Difference between revisions of "Arno Penzias"
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| − | |nationality= | + | |nationality=United States |
| − | |birth_date= | + | |religion=Jewish |
| − | |birth_place= | + | |birth_date=April 26, 1933 |
| + | |birth_place=Munich, Germany | ||
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|constitutes=physicist | |constitutes=physicist | ||
| + | |spouses=Anne Pearl Barras | ||
| + | |alma_mater=City College of New York, Columbia University | ||
| + | |interests=Physics | ||
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| + | |description=American physicist, radio astronomer and Nobel laureate in physics. | ||
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| + | '''Arno Allan Penzias''' is an American [[physicist]], [[radio astronomer]] and [[Nobel laureate]] in [[Nobel Prize in physics|physics]]. Along with [[Robert Woodrow Wilson]], he discovered the [[cosmic microwave background radiation]], which helped establish the [[Big Bang]] theory of cosmology. | ||
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| + | ==Background== | ||
| + | Penzias was born in [[Munich]], [[Germany]], the son of Justine (née Eisenreich) and Karl Penzias, who ran a leather business.<ref>[https://books.google.com/books?id=SqkRAQAAMAAJ&q=Arno+Allan+Penzias+munich&dq=Arno+Allan+Penzias+munich&source=bl&ots=8znZUvcQvp&sig=larOwftfHVnp9FZ5QCPJQlaf1H0&hl=en&redir_esc=y Notable Twentieth-century Scientists: L-R]</ref><ref>http://science.howstuffworks.com/dictionary/famous-scientists/physicists/arno-allan-penzias-info.htm </ref> His grandparents had come to Munich from Poland and were among the leaders of the Reichenbach Strasse Shul. At age six, he and his brother Gunther were among the [[Jews in Germany|Jewish]] children evacuated to [[United Kingdom|Britain]] as part of the [[Kindertransport]] rescue operation. Some time later, his parents also fled [[Nazi Germany]] for the [[United States|U.S.]], and the family settled in the [[Garment District, Manhattan|Garment District]] of [[New York City]] in 1940. In 1946, Penzias became a [[naturalized citizen]] of the [[United States]]. He graduated from [[Brooklyn Technical High School]] in 1951<ref>http://www.bths.edu/apps/pages/index.jsp?uREC_ID=228863&type=d&termREC_ID=&pREC_ID=443924 </ref> and after enrolling to study chemistry at the [[City College of New York]], he changed majors and graduated 1954 with a degree in physics, ranked near the top of his class. | ||
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| + | Following graduation, Penzias served for two years as a [[radar]] officer in the U.S. Army Signal Corps. This led to a research assistantship in the [[Columbia University]] Radiation Laboratory, which was then heavily involved in microwave physics. Penzias worked under [[Charles Townes]], who later invented the [[maser]]. | ||
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| + | Next, Penzias enrolled as a graduate student at Columbia in 1956. He earned a [[Doctor of Philosophy|Ph.D.]] in physics from Columbia University in 1962.<ref>http://www.ieeeghn.org/wiki/index.php/Arno_Allan_Penzias</ref> | ||
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| + | ==Career== | ||
| + | Penzias went on to work at [[Bell Labs]] in [[Holmdel, New Jersey]], where, with Robert Woodrow Wilson, he worked on ultra-sensitive cryogenic [[microwave]] receivers, intended for radio astronomy observations. In 1964, on building their most sensitive [[Holmdel Horn Antenna|antenna/receiver system]], the pair encountered radio noise which they could not explain.<ref>https://web.archive.org/web/20131203162043/http://www.physics.org/featuredetail.asp?id=71</ref> It was far less energetic than the radiation given off by the [[Milky Way]], and it was [[isotropic]], so they assumed their instrument was subject to interference by terrestrial sources. They tried, and then rejected, the hypothesis that the radio noise emanated from New York City. An examination of the microwave [[horn antenna]] showed it was full of bat and pigeon droppings (which Penzias described as "white [[dielectric]] material"). After the pair removed the dung buildup the noise remained. Having rejected all sources of interference, Penzias contacted [[Robert Dicke]], who suggested it might be the background radiation predicted by some cosmological theories. The pair agreed with Dicke to publish side-by-side letters in the Astrophysical Journal, with Penzias and Wilson describing their observations and Dicke suggesting the interpretation as the [[cosmic microwave background radiation]] (CMB), the radio remnant of the [[Big Bang]].<ref>https://web.archive.org/web/20091229035926/http://www.wired.com/magazine/2009/12/fail_accept_defeat/</ref> This allowed astronomers to confirm the Big Bang, and to correct many of their previous assumptions about it. | ||
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| + | He was elected a Fellow of the [[American Academy of Arts and Sciences]] and the National Academy of Sciences in 1975.<ref name=AAAS>https://web.archive.org/web/20110515183157/http://www.amacad.org/publications/BookofMembers/ChapterP.pdf</ref><ref>http://www.nasonline.org/member-directory/members/51742.html</ref> Penzias and Wilson received the 1978 Nobel Prize, sharing it with [[Pyotr Leonidovich Kapitsa]] (Kapitsa's work on [[Low-temperature physics]] was unrelated to Penzias and Wilson's). In 1977, the two had received the [[Henry Draper Medal]] of the [[United States National Academy of Sciences|National Academy of Sciences]].<ref name=Draper>https://web.archive.org/web/20130126003930/http://www.nasonline.org/about-nas/awards/henry-draper-medal.html</ref> In 1979, Penzias received the Golden Plate Award of the [[Academy of Achievement|American Academy of Achievement]].<ref>https://achievement.org/our-history/golden-plate-awards/#science-exploration</ref> He is also the recipient of The International Center in New York's Award of Excellence. In 1998, he was awarded the [[IRI Medal]] from the [[Industrial Research Institute]]. | ||
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==References== | ==References== | ||
{{reflist}} | {{reflist}} | ||
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| + | |date=01.01.2022 | ||
| + | |url=https://en.wikipedia.org/wiki/Arno_Allan_Penzias | ||
| + | }} | ||
Latest revision as of 13:06, 13 September 2024
 Arno Penzias      (physicist) | |
|---|---|
 | |
| Born | April 26, 1933 Munich, Germany |
| Nationality | United States |
| Alma mater | City College of New York, Columbia University |
| Religion | Jewish |
| Spouse | Anne Pearl Barras |
| Interests | Physics |
American physicist, radio astronomer and Nobel laureate in physics. | |
Arno Allan Penzias is an American physicist, radio astronomer and Nobel laureate in physics. Along with Robert Woodrow Wilson, he discovered the cosmic microwave background radiation, which helped establish the Big Bang theory of cosmology.
Background
Penzias was born in Munich, Germany, the son of Justine (née Eisenreich) and Karl Penzias, who ran a leather business.[1][2] His grandparents had come to Munich from Poland and were among the leaders of the Reichenbach Strasse Shul. At age six, he and his brother Gunther were among the Jewish children evacuated to Britain as part of the Kindertransport rescue operation. Some time later, his parents also fled Nazi Germany for the U.S., and the family settled in the Garment District of New York City in 1940. In 1946, Penzias became a naturalized citizen of the United States. He graduated from Brooklyn Technical High School in 1951[3] and after enrolling to study chemistry at the City College of New York, he changed majors and graduated 1954 with a degree in physics, ranked near the top of his class.
Following graduation, Penzias served for two years as a radar officer in the U.S. Army Signal Corps. This led to a research assistantship in the Columbia University Radiation Laboratory, which was then heavily involved in microwave physics. Penzias worked under Charles Townes, who later invented the maser.
Next, Penzias enrolled as a graduate student at Columbia in 1956. He earned a Ph.D. in physics from Columbia University in 1962.[4]
Career
Penzias went on to work at Bell Labs in Holmdel, New Jersey, where, with Robert Woodrow Wilson, he worked on ultra-sensitive cryogenic microwave receivers, intended for radio astronomy observations. In 1964, on building their most sensitive antenna/receiver system, the pair encountered radio noise which they could not explain.[5] It was far less energetic than the radiation given off by the Milky Way, and it was isotropic, so they assumed their instrument was subject to interference by terrestrial sources. They tried, and then rejected, the hypothesis that the radio noise emanated from New York City. An examination of the microwave horn antenna showed it was full of bat and pigeon droppings (which Penzias described as "white dielectric material"). After the pair removed the dung buildup the noise remained. Having rejected all sources of interference, Penzias contacted Robert Dicke, who suggested it might be the background radiation predicted by some cosmological theories. The pair agreed with Dicke to publish side-by-side letters in the Astrophysical Journal, with Penzias and Wilson describing their observations and Dicke suggesting the interpretation as the cosmic microwave background radiation (CMB), the radio remnant of the Big Bang.[6] This allowed astronomers to confirm the Big Bang, and to correct many of their previous assumptions about it.
He was elected a Fellow of the American Academy of Arts and Sciences and the National Academy of Sciences in 1975.[7][8] Penzias and Wilson received the 1978 Nobel Prize, sharing it with Pyotr Leonidovich Kapitsa (Kapitsa's work on Low-temperature physics was unrelated to Penzias and Wilson's). In 1977, the two had received the Henry Draper Medal of the National Academy of Sciences.[9] In 1979, Penzias received the Golden Plate Award of the American Academy of Achievement.[10] He is also the recipient of The International Center in New York's Award of Excellence. In 1998, he was awarded the IRI Medal from the Industrial Research Institute.
Event Participated in
| Event | Start | End | Location(s) | Description |
|---|---|---|---|---|
| Bilderberg/1995 | 8 June 1995 | 11 June 1995 | Greece Nafsika Astir Palace Hotel Vouliagmeni | The 43rd Bilderberg. Held at the Burgenstock Hotel in Burgenstock, Switzerland. |
References
- ↑ Notable Twentieth-century Scientists: L-R
- ↑ http://science.howstuffworks.com/dictionary/famous-scientists/physicists/arno-allan-penzias-info.htm
- ↑ http://www.bths.edu/apps/pages/index.jsp?uREC_ID=228863&type=d&termREC_ID=&pREC_ID=443924
- ↑ http://www.ieeeghn.org/wiki/index.php/Arno_Allan_Penzias
- ↑ https://web.archive.org/web/20131203162043/http://www.physics.org/featuredetail.asp?id=71
- ↑ https://web.archive.org/web/20091229035926/http://www.wired.com/magazine/2009/12/fail_accept_defeat/
- ↑ https://web.archive.org/web/20110515183157/http://www.amacad.org/publications/BookofMembers/ChapterP.pdf
- ↑ http://www.nasonline.org/member-directory/members/51742.html
- ↑ https://web.archive.org/web/20130126003930/http://www.nasonline.org/about-nas/awards/henry-draper-medal.html
- ↑ https://achievement.org/our-history/golden-plate-awards/#science-exploration
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