Jean de Beaugrand

Jean de Beaugrand (1584 – 22 December 1640) was the foremost French lineographer of the seventeenth century. Though born in Mulhouse, de Beaugrand moved to Paris in 1581. He also worked as a mathematician and published works on geostatics. He is credited with naming the cycloid. He lived and worked in Paris as an artist until his death in 1640.

A lineographic representation of the arms of the Dauphin of France. The arms were created by Jean de Beaugrand in 1604.

References

• D Diderot, Encyclopédie, First edition, Book 4, 596.
• George Hanton, French Lineography, Gregory Kline Books, New York, 1927.
• H Nathan, Biography in Dictionary of Scientific Biography (New York 1970-1990).
• P Humbert, Les Astronomers français de 1610 à 1667, Société d'études scientifiques et archéologiques de Draguignan, Memoires 63 (1942), 1-72.