Clavius, Christoph Definition Of Clavius, Christoph HighBeam Article Roomen, Adriaan Van Complete Dictionary of Scientific Biography; 700+ words College in Cologne. In 1585 he spent some time in Rome, where he met Clavius. http://www.highbeam.com/doc/1G2-2830900923.html?key=01-42160D527E1A1C6A1303021F0
Answers.com - A Fifteen Sided Polygon Roomen, Adriaan Van. Complete Dictionary of Scientific Biography; Jan 1, 2008; 700+ Words sides http://wiki.answers.com/Q/A_fifteen_sided_polygon
Van Ostade - Pipl Profiles Adriaan van Roomen. Adriaan van Wijngaarden. Adriaan Vlacq. Adriaan Vlok www.thefreedictionary.com “ € € €“ € http://pipl.com/directory/name/Van%20Ostade
R Index Roomen, Adriaan van (419) Rosanes, Jakob (132*) Rosenhain, Johann (146) Rota, GianCarlo (1420*) Roth, Klaus (706*) Roth, Leonard (97*) Routh, Edward (152) http://info.math.nankai.edu.cn/navigate/math/history/Indexes/R.html
Digital Collections / Digital Library - Munich Digitization Center Author Roomen, Adriaan van Originally published Francofurti 1595 BSB Shelf Number Res/4 Geo.u. 91 URN urnnbndebvb12bsb00025139-3 Date digitised 19.08.2008 http://www.digital-collections.de/index.html?c=faecher_index&l=en&kl=031
Stuff About Van Adriaan van Roomen. Adriaan van Roomen (29 September 1561 4 May 1615), also known as Adrianus Romanus, was a Flemish mathematician . (abstract from the wikipedia article on http://stuffaboutnames.com/van/index.htm
List Of Mathematicians Encyclopedia II - List Of Mathematicians - Y List of mathematicians Ya — Yo. Yasuaki, Aida (Japan, 1747 – 1817) Yates, Frank (?, 1902 – 1994) Yates, Samuel (?, ? – ) Yau, Shing-Tung (China/Hong Kong, 1949 http://www.experiencefestival.com/a/List_of_mathematicians_-_Y/id/1582204
Www.cecm.sfu.ca Roomen Adriaan van. Rosanes Jakob. Rosenhain Johann Georg. Roth Leonard. Routh Edward John. Rudio Ferdinand. Rudolff Christoff. Ruffini Paolo. Runge Carle David Tolme http://www.cecm.sfu.ca/organics/papers/bailey/paper/html/listematheux
Cronologie Di Psicopolis Le cronologie di Psicopolis. Indice alfabetico dei matematici . Indice alfabetico dei matematici Cronologia dei matematici http://www.psicopolis.com/timeline/alfabmatem.htm