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Saint-Simon, Louis de Rouvroy, duc de

(Encyclopedia)Saint-Simon, Louis de Rouvroy, duc de də săN-sēmôNˈ [key], 1675–1755, French writer of memoirs and courtier. He resigned (1702) from the army after his arrogance had involved him in a quarrel ...

Saint-Simon, Claude Henri de Rouvroy, comte de

(Encyclopedia)Saint-Simon, Claude Henri de Rouvroy, comte de klōd äNrē də ro͞ovrwäˈ kôNt də săN-sēmôNˈ [key], 1760–1825, French social philosopher; grand nephew of Louis de Rouvroy, duc de Saint-Simo...

Louis, titular duke of Burgundy

(Encyclopedia)Louis, 1682–1712, titular duke of Burgundy; grandson of King Louis XIV of France. He became heir to the throne on the death (1711) of his father, Louis the Great Dauphin. François de Fénelon was h...

Boufflers, Louis François, duc de

(Encyclopedia)Boufflers, Louis François, duc de lwē fräNswäˈ dük də bo͞oflĕrˈ [key], 1644–1711, marshal and peer of France. He served under the French commanders François de Créquy and the vicomte de ...

Broglie, Louis Victor, duc de

(Encyclopedia)Broglie, Louis Victor, duc de, 1892–1987, French physicist. In 1928 he became professor in the faculty of sciences, Univ. of Paris. It was known from the earlier quantum theory that light waves some...

Vendôme, Louis Joseph, duc de

(Encyclopedia)Vendôme, Louis Joseph, duc de dük də väNdōmˈ [key], 1654–1712, marshal of France; grandson of César de Vendôme and son of Laura Mancini. He fought in the War of the Grand Alliance. In the W...

Broglie, Maurice, duc de

(Encyclopedia)Broglie, Maurice, duc de, 1875–1960, French physicist; brother of Louis Victor, duc de Broglie. His contributions include notable work on X rays and in atomic physics, radioactivity, and electricity...

Villeroi, François de Neufville, duc de

(Encyclopedia)Villeroi, François de Neufville, duc de fräNswäˈ də növēlˈ dük də vēlrwäˈ [key], 1644–1730, marshal of France and favorite of King Louis XIV. In the War of the Grand Alliance, he succee...

Mayenne, Charles de Lorraine, duc de

(Encyclopedia)Mayenne, Charles de Lorraine, duc de shärl də lôrĕnˈ dük də mäyĕnˈ [key], 1554–1611, French Catholic general in the Wars of Religion (see Religion, Wars of); brother of Henri, 3d duc de Gu...

Lesdiguières, François de Bonne, duc de

(Encyclopedia)Lesdiguières, François de Bonne, duc de fräNswäˈ də bôn dük də lādēgyĕrˈ [key], 1543–1626, marshal and constable of France. He fought on the Huguenot (Protestant) side in the Wars of Re...

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