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Rasmus Bartholin

Rasmus Bartholin was a Danish physician and grammarian. Bartholin was born in Roskilde, he was the son of Caspar Bartholin the Elder and Anna Fincke, daughter of the mathematician Thomas Fincke. As part of his studies, he travelled in Europe for ten years, he stayed in the Netherlands, England and Italy. In 1647, he took a Master's degree at the University of Copenhagen. In 1654, he received a Doctoral degree at the University of Padua, he was a Professor at the University of Copenhagen, first in Geometry in Medicine. He was dean of the faculty of medicine and rector.. He wrote, in Latin, the first grammar of the Danish language, the 1657 De studio lingvæ danicæ. Rasmus Bartholin is remembered for his discovery of the double refraction of a light ray by Iceland spar, he published an accurate description of the phenomenon, but since the physical nature of light was poorly understood at the time, he was unable to explain it. It was only after Thomas Young proposed the wave theory of light, c. 1801 that an explanation became possible.

He was a younger brother of Thomas Bartholin. "De figura nivis". In Thomas Bartolin, De nivis usu medico observationes variae. Accessit D. Erasmi Bartholini de figura nivis p. PA241, at Google Books. Copenhagen: P. Haubold, 1661 O'Connor, John J.. Bartholin, Erasmus 1625-1698 worldcat.org

International Federation of Little Brothers of the Poor

The International Federation of Little Brothers of the Poor is a federation of volunteer-based non-profit organizations committed to relieving isolation and loneliness among the elderly. It was founded 1979 in Rolle and has been recognized as a NGO in consultative status with the United Nations Economic and Social Council. In 2008, volunteers held a benefit concert in France, to raise money for the organization, its member countries / organizations are: Canada: les petits frères des Pauvres France: les petits frères des Pauvres Germany: Freunde alter Menschen e. V. Ireland: The Little Brothers Limited. Mexico: Los Hermanos del Anciano A. C. Poland: Mali bracia Ubogich Spain: Amigos de los mayores / Amics de la Gent Gran Switzerland: La Fondation les petits frères des Pauvres United States: Little Brothers - Friends of the Elderly La Brindille D'Or http://www.petitsfreres.org Website of the International Federation of Little Brothers of the Poor http://www.petitsfreresdespauvres.fr Website of French mother organization: les petits frères des Pauvres https://www.usatoday.com/news/nation/2006-08-05-lonely-americans_x.htm USA TODAY Article: Isolated Americans trying to connect

Stronghurst Township, Henderson County, Illinois

Stronghurst Township is one of eleven townships in Henderson County, Illinois, USA. As of the 2010 census, its population was 1,115 and it contained 500 housing units. According to the 2010 census, the township has a total area of all land. Stronghurst Decorra at 40.727818°N 90.970141°W / 40.727818. Illinois Route 94 West Central Community Unit School District 235 Illinois's 17th congressional district State House District 94 State Senate District 47 United States Census Bureau 2008 TIGER/Line Shapefiles "Stronghurst Township". Geographic Names Information System. United States Geological Survey. Retrieved 2009-09-19. United States National Atlas City-Data.com Illinois State Archives Township Officials of Illinois