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{{Short description|Professor, academic and author (born 1940)}}
'''Richard Conn Henry''' (born 7 March 1940<ref name = VITAE/>) is a Professor of Physics and Astronomy at [[Johns Hopkins University]], author of one book and over 200 publications on the topics of astrophysics and various forms of astronomy including optical, radio, ultraviolet, and X-ray. He reports being part of a team that discovered "vastly more baryons than had ever before been found in the universe".<ref name = PBIO/> He is also cited in the effort to re-categorize Pluto as a dwarf planet.<ref name = NatGeographic/><ref name = RCH_Pluto/>
'''Richard Conn Henry''' (born 7 March 1940<ref>{{Cite web|url=http://henry.pha.jhu.edu/henryDir/vitae.word.pdf|title=Richard Conn Henry|last=Henry|first=Richard|website=Physics & Astronomy {{!}} Johns Hopkins University}}</ref>) is an Academy Professor of Physics and Astronomy at [[Johns Hopkins University]], author of one book and over 200 publications on the topics of astrophysics and various forms of astronomy including optical, radio, ultraviolet, and X-ray. He reports being part of a team that discovered "vastly more [[baryon]]s than had ever before been found in the universe".<ref>{{Cite web|url=http://henry.pha.jhu.edu/henry2012.pdf|title=Richard Conn Henry: Professional Biography|website=Physics & Astronomy {{!}} Johns Hopkins University}}</ref> He is also cited in the effort to recategorize Pluto as a dwarf planet.<ref>{{Cite web|url=https://news.nationalgeographic.com/news/2006/08/dwarf-planet-pluto-astronomy/|archive-url=https://web.archive.org/web/20180916064847/https://news.nationalgeographic.com/news/2006/08/dwarf-planet-pluto-astronomy/|url-status=dead|archive-date=September 16, 2018|title=Pluto Not a Planet, Astronomers Rule|date=2006-08-24|website=National Geographic News|access-date=2019-02-24}}</ref><ref>{{Cite web|url=http://henry.pha.jhu.edu/pluto.html|title=Down With Pluto!|website=henry.pha.jhu.edu|access-date=2019-02-24}}</ref>


He initially joined the Johns Hopkins University Physics Department in 1968 as the first JHU astronomer since 1908. After a stint at NASA, he returned to help attract in 1981 the [[Space Telescope Science Institute]] to JHU, an organization that now employs 500, including 100 PhDs.
He initially joined the Johns Hopkins University Physics Department in 1968 as the first JHU astronomer since 1908. After a stint at NASA, he returned to help attract in 1981 the [[Space Telescope Science Institute]] to JHU, an organization that now employs 500, including 100 PhDs.


More recently he has attracted popular press for the SETI ecliptic search idea,<ref name = CDREAMS/> and the [[Hanke-Henry Permanent Calendar]].<ref name = ACCW/> The SETI ecliptic search idea suggests focusing SETI efforts in the ecliptic plane in which distant hypothetical observers can see the Earth's transit of the sun. The [[Hanke-Henry Permanent Calendar]] is one in which the number of days in a year is always divisible by seven, such that holidays always fall on the same day of the week. Most years have only four quarters of 91&nbsp;days, while every five or six years an extra week is inserted at the end of December.
More recently he has attracted popular press for the SETI ecliptic search idea<ref>{{Cite web|url=https://www.centauri-dreams.org/2010/09/20/seti-on-the-ecliptic/|title=SETI on the Ecliptic|website=www.centauri-dreams.org|access-date=2019-02-24}}</ref> and the [[Hanke–Henry Permanent Calendar]].<ref>{{Cite web|url=https://www.accuweather.com/en/weather-news/a-calendar-that-stays-the-same-1/59692|title=A Calendar that Never Changes and the World on the Same Time?|website=www.accuweather.com|access-date=2019-02-24}}</ref> The SETI ecliptic search idea suggests focusing SETI efforts in the ecliptic plane in which distant hypothetical observers can see the Earth's transit of the sun. The Hanke–Henry Permanent Calendar is one in which the number of days in a year is always divisible by seven, such that holidays always fall on the same day of the week. Most years have only four quarters of 91 days, while every five or six years an extra week is inserted at the end of December.


He is also active in various organizations, including the [[Streit Council]] where as of 2012 he is President;<ref name = Streit/> the [[National Space Grant College and Fellowship Program|Maryland Space Grant Consortium]]; and an organization he founded, The Henry Foundation, which "sponsors improved worldwide understanding of physics". He has a 1967 Ph.D. from [[Princeton University]].
He is also active in various organizations, including the [[Streit Council]], where as of 2012 he is president;<ref>{{Cite web|url=http://streitcouncil.org/index.php?page=board|title=The Streit Council – Board of Directors|website=streitcouncil.org|access-date=2019-02-24}}</ref> the [[National Space Grant College and Fellowship Program|Maryland Space Grant Consortium]]; and an organization he founded, the Henry Foundation, which "sponsors improved worldwide understanding of physics". He earned a Ph.D. from [[Princeton University]] in 1967.

He is cited for providing, for black holes that are rotating, and/or are electrically charged, the [[Kretschmann scalar]], which characterizes their degree of curvature.


== References ==
== References ==
{{Reflist}}
{{reflist | refs =
<ref name = PBIO>
⚫
{{cite web
| author = Richard Conn Henry
| title = henry2012.pdf. Professional Biography.
| url = http://henry.pha.jhu.edu/henry2012.pdf
| accessdate = 2013-04-26
}}</ref>

<ref name = VITAE>
{{cite web
| author = Richard Conn Henry
| title = Google html version of the file http://henry.pha.jhu.edu/henryDir/vitae.word.pdf. Richard Conn Henry. Academy Professor
| url = http://webcache.googleusercontent.com/search?hl=en&q=cache:ebGKajdbf0UJ:http://henry.pha.jhu.edu/henryDir/vitae.word.pdf%2Bhttp://henry.pha.jhu.edu/henryDir/vitae.word.pdf&gbv=1&ct=clnk
| accessdate = 2013-04-28
}}</ref>

<ref name = NatGeographic>
{{cite web
| title = Pluto not a planet, astronomers rule
| url = http://news.nationalgeographic.com/news/2006/08/060824-pluto-planet.html
| work = [[National Geographic (magazine)|National Geographic]]
| quote = Sources and related web site...Professor Richard Conn Henry
| accessdate = 2013-04-26
}}</ref>

<ref name = RCH_Pluto>
{{cite web
| author = Richard Conn Henry
| title = Down with Pluto
| url = http://henry.pha.jhu.edu/pluto.html
| accessdate = 2013-04-26
}}</ref>

<ref name = CDREAMS>
{{cite web
| author = Paul Gilster
| date = 20 September 2010
| title = SETI on the ecliptic
| url = http://www.centauri-dreams.org/?p=14377
| publisher = Centauri Dreams
| accessdate = 2013-04-26
}}</ref>

<ref name = ACCW>
{{cite web
| author = Vickie Frantz, AccuWeather.com staff writer
| date = 2 January 2012
| title = A calendar that never changes and the world on the same time?
| url = http://www.accuweather.com/en/weather-news/a-calendar-that-stays-the-same-1/59692
| publisher = accuweather.com
| accessdate = 2013-04-26
}}</ref>

<ref name = Streit>
{{cite web
| title = The Streit Council. Board of Directors.
| url = http://streitcouncil.org/index.php?page=board
| publisher = [[Streit Council]]
| quote = Richard Conn Henry, President
| accessdate = 2013-04-26
}}</ref>
}}


== Further reading ==
== Further reading ==
*{{cite web
* {{cite web
| title = Henry, Richard C. - Department of Physics and Astronomy. Johns Hopkins University.
| title = Henry, Richard C. – Department of Physics and Astronomy. Johns Hopkins University
| url = http://www.osti.gov/eprints/topicpages/documents/starturl/36/045.html
| url = http://www.osti.gov/eprints/topicpages/documents/starturl/36/045.html
| publisher = US Department of Energy. [[Office of Scientific and Technical Information]]
| publisher = US Department of Energy. [[Office of Scientific and Technical Information]]
Line 80: Line 21:
| accessdate = 2013-04-26
| accessdate = 2013-04-26
}}
}}
⚫
* {{cite web

*{{cite web
| author = Richard Conn Henry
| author = Richard Conn Henry
| title = Professor Richard Conn Henry
| title = Professor Richard Conn Henry
| url = http://henry.pha.jhu.edu/rch.html
| url = http://henry.pha.jhu.edu/rch.html
| quote = ...obtained a B.Sc. (1961) at University College, University of Toronto...
| quote = …obtained a B.Sc. (1961) at University College, University of Toronto…
| accessdate = 2013-04-26
| accessdate = 2013-04-26
}}
}}


{{Authority control}}
{{Persondata

| NAME = Henry, Richard Conn
| ALTERNATIVE NAMES =
| SHORT DESCRIPTION =
| DATE OF BIRTH = 1940
| PLACE OF BIRTH = Toronto
| DATE OF DEATH =
| PLACE OF DEATH =
}}
{{DEFAULTSORT:Henry, Richard Conn}}
{{DEFAULTSORT:Henry, Richard Conn}}
[[Category:American academics]]
[[Category:Johns Hopkins University faculty]]
[[Category:Johns Hopkins University faculty]]
[[Category:University of Toronto alumni]]
[[Category:University of Toronto alumni]]

Latest revision as of 06:04, 22 November 2023

Richard Conn Henry (born 7 March 1940[1]) is an Academy Professor of Physics and Astronomy at Johns Hopkins University, author of one book and over 200 publications on the topics of astrophysics and various forms of astronomy including optical, radio, ultraviolet, and X-ray. He reports being part of a team that discovered "vastly more baryons than had ever before been found in the universe".[2] He is also cited in the effort to recategorize Pluto as a dwarf planet.[3][4]

He initially joined the Johns Hopkins University Physics Department in 1968 as the first JHU astronomer since 1908. After a stint at NASA, he returned to help attract in 1981 the Space Telescope Science Institute to JHU, an organization that now employs 500, including 100 PhDs.

More recently he has attracted popular press for the SETI ecliptic search idea[5] and the Hanke–Henry Permanent Calendar.[6] The SETI ecliptic search idea suggests focusing SETI efforts in the ecliptic plane in which distant hypothetical observers can see the Earth's transit of the sun. The Hanke–Henry Permanent Calendar is one in which the number of days in a year is always divisible by seven, such that holidays always fall on the same day of the week. Most years have only four quarters of 91 days, while every five or six years an extra week is inserted at the end of December.

He is also active in various organizations, including the Streit Council, where as of 2012 he is president;[7] the Maryland Space Grant Consortium; and an organization he founded, the Henry Foundation, which "sponsors improved worldwide understanding of physics". He earned a Ph.D. from Princeton University in 1967.

He is cited for providing, for black holes that are rotating, and/or are electrically charged, the Kretschmann scalar, which characterizes their degree of curvature.

References[edit]

  1. ^ Henry, Richard. "Richard Conn Henry" (PDF). Physics & Astronomy | Johns Hopkins University.
  2. ^ "Richard Conn Henry: Professional Biography" (PDF). Physics & Astronomy | Johns Hopkins University.
  3. ^ "Pluto Not a Planet, Astronomers Rule". National Geographic News. 2006-08-24. Archived from the original on September 16, 2018. Retrieved 2019-02-24.
  4. ^ "Down With Pluto!". henry.pha.jhu.edu. Retrieved 2019-02-24.
  5. ^ "SETI on the Ecliptic". www.centauri-dreams.org. Retrieved 2019-02-24.
  6. ^ "A Calendar that Never Changes and the World on the Same Time?". www.accuweather.com. Retrieved 2019-02-24.
  7. ^ "The Streit Council – Board of Directors". streitcouncil.org. Retrieved 2019-02-24.

Further reading[edit]

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