Gustav Robert Kirchhoff was a German physicist who contributed to the fundamental understanding of electrical circuits, spectroscopy, and the emission of black-body radiation by heated objects. He coined the term black-body radiation in...

Stephen Grover Cleveland was both the twenty-second and twenty-fourth President of the United States. Cleveland is the only President to serve two non-consecutive terms (1885–1889 and 1893–1897). He was the winner of the popular vote for Pr...

Modest Petrovich Mussorgsky, one of the Russian composers known as the Five, was an innovator of Russian music. He strove to achieve a uniquely Russian musical identity, often in deliberate defiance of the established conventions of Western...

Alexander III was the Emperor of Russia from 1881 until his death in 1894. Alexander was the second son of Alexander II and Marie of Hesse and by Rhine. In natural disposition he bore little resemblance to his soft-hearted, liberal minded f...

Georg Cantor was a German mathematician. He created set theory, which has become a fundamental theory in mathematics. Cantor established the importance of one-to-one correspondence between the members of two sets, defined infinite and well-...

Wilhelm Conrad Röntgen was a German physicist, of the University of Würzburg, who, on November 8, 1895, produced and detected electromagnetic radiation in a wavelength range today known as x-rays or Röntgen Rays. Röntgen's discovery of x-ra...

Alexander Graham Bell was an eminent Scottish-born scientist, inventor, engineer and innovator who is credited with inventing the first practical telephone. Bell's father, grandfather, and brother had all been associated with work on elo...

Wyatt Berry Stapp Earp was an American officer of the law in various Western frontier towns, farmer, teamster, buffalo hunter, gambler, saloon-keeper, miner and boxing referee. He is best known for his participation in the Gunfight at the O...

One of the four great Post-impressionists (along with Paul Gauguin, Georges Seurat, and Paul Cézanne), Vincent van Gogh is generally considered the greatest Dutch painter after Rembrandt. His reputation is based largely on the works of the...

Rudolf Christian Karl Diesel was a German inventor and mechanical engineer, famous for the invention of the diesel engine. Diesel engines are most often found in applications where a high torque requirement and low RPM requirement exist....

The Right Honourable Arthur Neville Chamberlain was a British politician and Prime Minister of the United Kingdom from 1937 to 1940. Chamberlain is perhaps the most ill-regarded British Prime Minister of the 20th century, largely because of...

Sir Edwin Landseer Lutyens was an English architect known for imaginatively adapting traditional architectural styles to the requirements of his era. He designed many English country houses, war memorials and public buildings. In his biogra...

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...

Sergei Vasilievich Rachmaninov, one of the most famous of Russian composers. Rachmaninov's music is considered Romantic while bearing traces of typically Russian themes and style of composition. Although banned in Soviet Russia for more tha...

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...