PEOPLE KNOWN FOR: reform

514 Biographies
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Jacques-Louis David: The Emperor Napoleon in His Study at the Tuileries
emperor of France
Napoleon I French general, first consul (1799–1804), and emperor of the French (1804–1814/15), one of the most celebrated personages in the history of the West. He revolutionized military organization...
Thomas Jefferson
president of United States
Thomas Jefferson draftsman of the Declaration of Independence of the United States and the nation’s first secretary of state (1789–94) and second vice president (1797–1801) and, as the third president...
Oliver Cromwell
English statesman
Oliver Cromwell English soldier and statesman, who led parliamentary forces in the English Civil Wars and was lord protector of England, Scotland, and Ireland (1653–58) during the republican Commonwealth....
Frederick II
king of Prussia
Frederick II king of Prussia (1740–86), a brilliant military campaigner who, in a series of diplomatic stratagems and wars against Austria and other powers, greatly enlarged Prussia’s territories and made...
Otto von Bismarck
German chancellor and prime minister
Otto von Bismarck prime minister of Prussia (1862–73, 1873–90) and founder and first chancellor (1871–90) of the German Empire. Once the empire was established, he actively and skillfully pursued pacific...
Peter I
emperor of Russia
Peter I tsar of Russia who reigned jointly with his half-brother Ivan V (1682–96) and alone thereafter (1696–1725) and who in 1721 was proclaimed emperor (imperator). He was one of his country’s greatest...
Kemal Atatürk
president of Turkey
Kemal Atatürk(Turkish: “Kemal, Father of Turks”) soldier, statesman, and reformer who was the founder and first president (1923–38) of the Republic of Turkey. He modernized the country’s legal and educational...
pope
St. Gregory the Great ; Western feast day, September 3 [formerly March 12, still observed in the East]) pope from 590 to 604, reformer and excellent administrator, “founder” of the medieval papacy, which...
Justinian I
Byzantine emperor
Justinian I Byzantine emperor (527–565), noted for his administrative reorganization of the imperial government and for his sponsorship of a codification of laws known as the Code of Justinian (Codex Justinianus;...
William Pitt the Younger
prime minister of United Kingdom
William Pitt, the Younger British prime minister (1783–1801, 1804–06) during the French Revolutionary and Napoleonic wars. He had considerable influence in strengthening the office of the prime minister....
Napoleon III
emperor of France
Napoleon III nephew of Napoleon I, president of the Second Republic of France (1850–52), and then emperor of the French (1852–70). He gave his country two decades of prosperity under a stable, authoritarian...
Catherine II
empress of Russia
Catherine the Great German-born empress of Russia (1762–96) who led her country into full participation in the political and cultural life of Europe, carrying on the work begun by Peter the Great. With...
Kublai Khan
emperor of Yuan dynasty
Kublai Khan Mongolian general and statesman, who was the grandson and greatest successor of Genghis Khan. As the fifth emperor (reigned 1260–94) of the Yuan, or Mongol, dynasty (1206–1368), he completed...
Gustav Adolphus
king of Sweden
Gustavus Adolphus king of Sweden (1611–32) who laid the foundations of the modern Swedish state and made it a major European power. Gustavus was the eldest son of Charles IX and his second wife, Christina...
David Lloyd George
prime minister of United Kingdom
David Lloyd George British prime minister (1916–22) who dominated the British political scene in the latter part of World War I. He was raised to the peerage in the year of his death. Lloyd George’s father...
Pope John XXIII
pope
Saint John XXIII ; beatified September 3, 2000canonized April 27, 2014; feast day October 11) one of the most popular popes of all time (reigned 1958–63), who inaugurated a new era in the history of the...
Pericles
Athenian statesman
Pericles Athenian statesman largely responsible for the full development, in the later 5th century bce, of both the Athenian democracy and the Athenian empire, making Athens the political and cultural...
Bonaventura Berlinghieri: St. Francis and Scenes from His Life
Italian saint
St. Francis of Assisi ; canonized July 16, 1228; feast day October 4) founder of the Franciscan orders of the Friars Minor (Ordo Fratrum Minorum), the women’s Order of St. Clare (the Poor Clares), and...
Alexander I
emperor of Russia
Alexander I emperor of Russia (1801–25), who alternately fought and befriended Napoleon I during the Napoleonic Wars but who ultimately (1813–15) helped form the coalition that defeated the emperor of...
Frederick II
Holy Roman emperor
Frederick II king of Sicily (1197–1250), duke of Swabia (as Frederick VI, 1228–35), German king (1212–50), and Holy Roman emperor (1220–50). A Hohenstaufen and grandson of Frederick I Barbarossa, he pursued...
Henry II and Thomas Becket
king of England
Henry II duke of Normandy (from 1150), count of Anjou (from 1151), duke of Aquitaine (from 1152), and king of England (from 1154), who greatly expanded his Anglo-French domains and strengthened the royal...
emperor of Qing dynasty
Kangxi reign name (nianhao) of the second emperor (reigned 1661–1722) of the Qing (Manchu) dynasty (1644–1911/12). To the Chinese empire he added areas north of the Amur River (Heilong Jiang) and portions...
Diocletian
Roman emperor
Diocletian Roman emperor (284–305 ce) who restored efficient government to the empire after the near anarchy of the 3rd century. His reorganization of the fiscal, administrative, and military machinery...
William E. Gladstone
prime minister of United Kingdom
William Ewart Gladstone statesman and four-time prime minister of Great Britain (1868–74, 1880–85, 1886, 1892–94). Gladstone was of purely Scottish descent. His father, John, made himself a merchant prince...
Benjamin Disraeli
prime minister of United Kingdom
Benjamin Disraeli British statesman and novelist who was twice prime minister (1868, 1874–80) and who provided the Conservative Party with a twofold policy of Tory democracy and imperialism. Disraeli was...
Theodosius I
Roman emperor
Theodosius I Roman emperor of the East (379–392) and then sole emperor of both East and West (392–395), who, in vigorous suppression of paganism and Arianism, established the creed of the Council of Nicaea...
Bust of Vespasian, found at Ostia; in the Museo Nazionale Romano, Rome.
Roman emperor
Vespasian Roman emperor (ad 69–79) who, though of humble birth, became the founder of the Flavian dynasty after the civil wars that followed Nero’s death in 68. His fiscal reforms and consolidation of...
Charles James Fox
British politician
Charles James Fox Britain’s first foreign secretary (1782, 1783, 1806), a famous champion of liberty, whose career, on the face of it, was nevertheless one of almost unrelieved failure. He conducted against...
John McCain
United States senator
John McCain U.S. senator who was the Republican Party’s nominee for president in 2008 but was defeated by Barack Obama. McCain represented Arizona in the U.S. House of Representatives (1983–87) before...
Josip Broz Tito
president of Yugoslavia
Josip Broz Tito, Yugoslav revolutionary and statesman. He was secretary-general (later president) of the Communist Party (League of Communists) of Yugoslavia (1939–80), supreme commander of the Yugoslav...
Rembrandt: Jeremiah Lamenting the Destruction of Jerusalem
Hebrew prophet
Jeremiah Hebrew prophet, reformer, and author of a biblical book that bears his name. He was closely involved in the political and religious events of a crucial era in the history of the ancient Near East;...
Fidel Castro
political leader of Cuba
Fidel Castro political leader of Cuba (1959–2008) who transformed his country into the first communist state in the Western Hemisphere. Castro became a symbol of communist revolution in Latin America....
Alexander II
emperor of Russia
Alexander II emperor of Russia (1855–81). His liberal education and distress at the outcome of the Crimean War, which had demonstrated Russia’s backwardness, inspired him toward a great program of domestic...
Fra Bartolomeo: portrait of Girolamo Savonarola
Italian preacher
Girolamo Savonarola Italian Christian preacher, reformer, and martyr, renowned for his clash with tyrannical rulers and corrupt clergy. After the overthrow of the Medici in 1494, Savonarola was the sole...
Helmuth von Moltke, 1871
German general [1800–1891]
Helmuth von Moltke chief of the Prussian and German General Staff (1858–88) and the architect of the victories over Denmark (1864), Austria (1866), and France (1871). Moltke’s father, a man of unstable...
Jean-Baptiste Colbert
French statesman
Jean-Baptiste Colbert French statesman who served as comptroller general of finance (1665–83) and secretary of state for the navy (1668–83) under King Louis XIV of France. He carried out the program of...
Roman tribune
Gaius Gracchus, Roman tribune (123–122 bce), who reenacted the agrarian reforms of his brother, Tiberius Sempronius Gracchus, and who proposed other measures to lessen the power of the senatorial nobility....
Frederick William
elector of Brandenburg
Frederick William, elector of Brandenburg (1640–88), who restored the Hohenzollern dominions after the devastations of the Thirty Years’ War—centralizing the political administration, reorganizing the...
Robert Clive
British colonial administrator
Robert Clive soldier and first British administrator of Bengal, who was one of the creators of British power in India. In his first governorship (1755–60) he won the Battle of Plassey and became master...
Warren Hastings, oil painting by Tilly Kettle; in the National Portrait Gallery, London.
British colonial administrator
Warren Hastings the first and most famous of the British governors-general of India, who dominated Indian affairs from 1772 to 1785 and was impeached (though acquitted) on his return to England. The son...
Karl, Reichsfreiherr vom und zum Stein
prime minister of Prussia
Karl, Reichsfreiherr vom und zum Stein, Rhinelander-born Prussian statesman, chief minister of Prussia (1807–08), and personal counselor to the Russian tsar Alexander I (1812–15). He sponsored widespread...
Mikhail Gorbachev
president of Soviet Union
Mikhail Gorbachev, Soviet official, general secretary of the Communist Party of the Soviet Union (CPSU) from 1985 to 1991 and president of the Soviet Union in 1990–91. His efforts to democratize his country’s...
Charles XII
king of Sweden
Charles XII king of Sweden (1697–1718), an absolute monarch who defended his country for 18 years during the Great Northern War and promoted significant domestic reforms. He launched a disastrous invasion...
Akbar
Mughal emperor
Akbar the greatest of the Mughal emperors of India. He reigned from 1556 to 1605 and extended Mughal power over most of the Indian subcontinent. In order to preserve the unity of his empire, Akbar adopted...
John Linnell: portrait of Sir Robert Peel
prime minister of United Kingdom
Robert Peel British prime minister (1834–35, 1841–46) and founder of the Conservative Party. Peel was responsible for the repeal (1846) of the Corn Laws that had restricted imports. He was the eldest son...
Robert Owen
British social reformer
Robert Owen, Welsh manufacturer turned reformer, one of the most influential early 19th-century advocates of utopian socialism. His New Lanark mills in Lanarkshire, Scotland, with their social and industrial...
Claudius I
Roman emperor
Claudius Roman emperor (41–54 ce), who extended Roman rule in North Africa and made Britain a province. The son of Nero Claudius Drusus, a popular and successful Roman general, and the younger Antonia,...
Solon
Greek statesman and poet
Solon, Athenian statesman, known as one of the Seven Wise Men of Greece (the others were Chilon of Sparta, Thales of Miletus, Bias of Priene, Cleobulus of Lindos, Pittacus of Mytilene, and Periander of...
John Wycliffe
English theologian
John Wycliffe English theologian, philosopher, church reformer, and promoter of the first complete translation of the Bible into English. He was one of the forerunners of the Protestant Reformation. The...
Heraclius
Byzantine emperor
Heraclius Eastern Roman emperor (610–641) who reorganized and strengthened the imperial administration and the imperial armies but who, nevertheless, lost Syria, Palestine, Egypt, and Byzantine Mesopotamia...