(born Jan. 11, 1924, Dijon, Fr.) French-born U.S. physiologist. He and his colleagues discovered, isolated, and synthesized hypothalamic hormones that regulate thyroid activity, cause the pituitary to release growth hormone, and regulate the activities of the pituitary and the pancreas. He shared a 1977 Nobel Prize with Andrew V. Schally and Rosalyn Yalow. Guillemin is also known for his discovery of endorphins.

Learn more about Guillemin, Roger C(harles) L(ouis) with a free trial on Britannica.com.

(born Jan. 11, 1924, Dijon, Fr.) French-born U.S. physiologist. He and his colleagues discovered, isolated, and synthesized hypothalamic hormones that regulate thyroid activity, cause the pituitary to release growth hormone, and regulate the activities of the pituitary and the pancreas. He shared a 1977 Nobel Prize with Andrew V. Schally and Rosalyn Yalow. Guillemin is also known for his discovery of endorphins.

Learn more about Guillemin, Roger C(harles) L(ouis) with a free trial on Britannica.com.

(born Oct. 29, 1811, Madrid, Spain—died Dec. 6, 1882, Cannes, France) French utopian socialist and journalist. In 1839 he founded the socialist newspaper Revue du Progrès and serially published his The Organization of Labour, which described his theory of worker-controlled “social workshops” that would gradually take over production until a socialist society came into being. He was a member of the provisional government of the Second Republic (1848) but was forced to flee to England after workers unsuccessfully revolted. In exile (1848–70), he wrote a history of the French Revolution and other political works.

Learn more about Blanc, (Jean-Joseph-Charles-) Louis with a free trial on Britannica.com.

Charles-Louis-Victor, prince de Broglie (September 22, 1756 - June 27, 1794), was a French soldier and politician.

Biography

Born in Paris, the eldest son of Victor-François, 2nd duc de Broglie, the prince de Broglie attained the rank of maréchal de camp in the army. He adopted revolutionary opinions, served with the Marquis de La Fayette and the Comte de Rochambeau in the American Revolutionary War,

The Prince was a member of the Jacobin Club, and sat in the National Constituent Assembly after the French Revolution, constantly voting on the Liberal side. He served as chief of the staff to the First Republic's Army on the Rhine, but, during the Reign of Terror, he was denounced, arrested, and guillotined in Paris.

Since the old duc de Broglie survived him, the prince de Broglie's eldest son, Victor, eventually became the third duc de Broglie. The prince's dying admonition to his little son was to remain faithful to the principles of the Revolution, however unjust and ungrateful it seemed then to be.

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