Machu Picchu is a pre-Columbian Inca site located 2,430 metres (8,000 ft) above sea level. It is situated on a mountain ridge above the Urubamba Valley in Peru, which is 80 kilometres (50 mi) northwest of Cuzco and through which the Urubamb...

Lev Nikolayevich Tolstoy was a Russian writer who primarily wrote novels and short stories. Later in life, he also wrote plays and essays. His two most famous works, the novels War and Peace and Anna Karenina, are acknowledged as two of the...

Franz Joseph I or Francis Joseph I was Emperor of Austria, King of Hungary, and monarch of other states in the Austro-Hungarian Empire, from 2 December 1848 to his death. From 1 May 1850 to 24 August 1866 he was also President of the German...

Johannes Diderik van der Waals was a Dutch scientist and thermodynamicist famous for his work on the equation of state for gases and liquids which describe the relation between the pressure, volume, and temperature of fluids (gases and liq...

Graf Ferdinand von Zeppelin, German army officer and airship inventor and builder. He entered the Prussian army in 1858 and served in the Seven Weeks War and in the Franco-Prussian War. He was an observer with the Union army during the Amer...

Georges Benjamin Clemenceau was a French statesman, physician and journalist. He served as the Prime Minister of France from 1906 to 1908, and again from 1916 to 1920. For nearly the final year of World War I he led France, and was one of t...

Karl Friedrich Benz was a German engine designer and automobile engineer, generally regarded as the inventor of the gasoline-powered automobile. Other German contemporaries, Gottlieb Daimler and Wilhelm Maybach, also worked independently on...

Joseph Pulitzer was a Hungarian-American publisher best known for posthumously establishing the Pulitzer Prizes and (along with William Randolph Hearst) for originating yellow journalism. After the war he settled in St. Louis, Missouri,...

Abraham "Bram" Stoker was an Irish author, best known today for his 1897 Gothic novel Dracula. During his lifetime, he was better known as the personal assistant of actor Henry Irving and business manager of the Lyceum Theatre in London, wh...

Paul Ludwig Hans Anton von Beneckendorff und von Hindenburg, known universally as Paul von Hindenburg was a German Field Marshal and statesman. An important figure during World War I, he also served as President of Germany from 1925 to 1934...

Friedrich Ludwig Gottlob Frege was a German philosopher, logician, and mathematician. Considered a major figure in mathematics, he is responsible for the development of modern logic and making contributions to the foundations of mathemat...

Field Marshal Horatio Herbert Kitchener, 1st Earl Kitchener, was an Irish-born British Field Marshal and proconsul who won fame for his imperial campaigns and later played a central role in the early part of the First World War, although he...

Emperor Meiji or Meiji the Great was the 122nd Emperor of Japan according to the traditional order of succession, reigning from February 3, 1867 until his death on July 30, 1912. He presided over a time of rapid change in the Empire of Japa...

Hendrik Antoon Lorentz was a Dutch physicist who shared the 1902 Nobel Prize in Physics with Pieter Zeeman for the discovery and elucidation of the Zeeman effect. Lorentz studied physics and mathematics at the University of Leiden, where...

Thomas Woodrow Wilson was the twenty-eighth President of the United States (1856-1924). A devout Presbyterian, and leading intellectual of the Progressive Era, he served as President of Princeton University and then became the Governor of N...