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      <p class="heading">Beaugrand, Jean
      
	  <DL class="main_text">
       <DT><B>1. Dates</B>
	<DD><I>Born:</I> Paris (?), ca. 1595        
	<DD><I>Died:</I> Paris (?), ca. 22 Dec. 1640        
	<DD><I>Dateinfo:</I> Both Dates Uncertain
	<DD><I>Lifespan:</I> 45

<DT><B>2. Father</B>
	<DD><I>Occupation:</I>  No Information
	<DD>No information on financial status.

<DT><B>3. Nationality</B>
	<DD><I>Birth:</I> Paris (?), France
	<DD><I>Career:</I> France
	<DD><I>Death:</I> Paris(?), France

<DT><B>4. Education</B>
	<DD><I>Schooling:</I> No University
	<DD>Studied under Viète.

<DT><B>5. Religion</B>
	<DD><I>Affiliation:</I> Catholic (assumed)

<DT><B>6. Scientific Disciplines</B>
	<DD><I>Primary:</I>  Mathematics, Astronomy
	<DD>Published Geostatique in 1636.  He published on mathematics, and he observed astronomical events such as eclipses.

<DT><B>7. Means of Support</B>
	<DD><I>Primary:</I>  Patronage
	<DD>He became mathematician to Gaston of Orleans in 1630.

<DT><B>8. Patronage</B>
	<DD><I>Type:</I>  Court Official
	<DD>Gaston of Orleans, see above.

<DT><B>9. Technological Involvement</B>
	<DD><I>Types:</I>  None

<DT><B>10. Scientific Societies</B>
   <DD><I>Memberships:</I> None
	<DD>He was an early friend of Fermat and Etienne Despagnet, later of Mersenne and his circle.
	<DD>He was an official Paris correspondent to Fermat.
	<DD>Friendship and correpondence with Castelli, Galileo, and Hobbes.

<DT><B>Sources</B>
<OL>
	<LI>P.Humbert," Les Astronmers francais de 1610 a 1667," Société d'études scientifiques et archeéologiques de Draguignan, Memoires, 63 (1942), pp.1-72.
	<LI>Little in known about Beaugrand.  There are few manuscripts and letters and no records.
	<LI>Not in Nouvelle biographie générale.
	<LI>Not in Dictionnaire de biographie française.
	<LI>References to Beaugrand are scatted throughout the standard eds of the correspondence of Fermat (P.Tannery and C. Henry, eds, Paris 1891-1912; (QA3.F3) Supp. vol., N.de Waard, ed., Paris, 1922), Descartes (Adam And P.Tannery eds., Paris, 1897-1913,  (B1833.T16)), and Mersenne (Marie Tannery, ed., Paris, 1933,  (BX4705.M53.A3), v.1-3).</OL>


<!--AUTHOR-->
<DT><I>Compiled by:</I>
	<DD>Richard S. Westfall
	<DD>Department of History and Philosophy of Science
	<DD>Indiana University 
      </DL>
	  
      <p class="sources"> Note: the creators of the Galileo Project and this catalogue 
        cannot answer email on geneological questions. <!-- #EndEditable --></td>
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