Vladimir Ilyich Lenin was a Russian communist revolutionary, politician and political theorist. He served as the leader of the Russian Soviet Federative Socialist Republic from 1917, and then concurrently as Premier of the Soviet Union from...

Joseph Baermann Strauss was an American structural engineer of German descent, who revolutionized the design of bascule bridges. He was the chief engineer of the Golden Gate Bridge, a suspension bridge. As Chief engineer of the Golden G...

In 1894 Maria Montessori became the first woman physician in Italy. Her interest in children and education led her to open a children's school in 1907 in the slums outside Rome. Montessori put into practice her theory that children have a n...

Marcel-Valentin-Louis-Eugène-Georges Proust was a French intellectual, novelist, essayist and critic, best known as the author of In Search of Lost Time (in French À la recherche du temps perdu, also translated previously as Remembrance of...

Ernest Rutherford was a New Zealand-born British physicist who came to be known as the father of nuclear physics. Encyclopædia Britannica considers him to be the greatest experimentalist since Michael Faraday (1791–1867). In early work,...

The Wright brothers, Orville (1871–1948) and Wilbur (1867–1912), were two American brothers, inventors, and aviation pioneers who are credited with inventing and building the world's first successful airplane and making the first controlled...

Roald Engelbregt Gravning Amundsen was a Norwegian explorer of polar regions. He led the Antarctic expedition of 1910–1912 which was the first to reach the South Pole. They arrived at the South Pole on 14 December 1911, 35 days before Scott...

John Calvin Coolidge, Jr. was the thirtieth President of the United States (1923–1929). A Republican lawyer from Vermont, Coolidge worked his way up the ladder of Massachusetts state politics, eventually becoming governor of that state. His...

Louis Blériot was a French aviator, inventor and engineer. In 1909 he completed the first flight across a large body of water in a heavier-than-air craft when he crossed the English Channel, receiving a prize of 1000 British pounds for doin...

Piet Mondrian was a Dutch painter and theoretician who is regarded as one of the greatest artists of the 20th century. He is known for being one of the pioneers of 20th century abstract art, as he changed his artistic direction from figurat...

Bertrand Arthur William Russell, 3rd Earl Russell was a British philosopher, logician, mathematician, historian, writer, social critic, political activist, and Nobel laureate. At various points in his life, Russell considered himself a libe...

Mehmed Talat Pasha was one of leaders of the Young Turks, an Ottoman statesman, grand vizier (1917) , and leading member of the Sublime Porte from 1913 until 1918. He is infamously tied to the Armenian Genocide possibly even more than the o...

Sir Ernest Henry Shackleton was a polar explorer who led three British expeditions to the Antarctic, and one of the principal figures of the period known as the Heroic Age of Antarctic Exploration. Born in Kilkea, Athy, County Kildare, Irel...

Harry Houdini was a Hungarian-born American magician and escapologist, stunt performer, actor and film producer noted for his sensational escape acts. He was also a skeptic who set out to expose frauds purporting to be supernatural phenomen...

Arnold Schoenberg or Schönberg was a Jewish Austrian composer, music theorist, and painter. He was associated with the expressionist movement in German poetry and art, and leader of the Second Viennese School. By 1938, with the rise of the...