Born and died in 1857

American astronomer and photographer who discovered Jupiter's moon Amalthea, cataloged hundreds of dark nebulae, and for whom Barnard's Star is named

Polish-British novelist and master prose stylist who enriched English literature with his unique global perspective and psychological depth

King of Spain known as El Pacificador who reigned from 1874 until his death in 1885, stabilizing the Spanish monarchy

English neurophysiologist who coined 'synapse' and won the Nobel Prize for his discoveries on neuron functions

Swiss linguist and philosopher whose foundational ideas shaped 20th-century linguistics and semiotics

Swedish physician and psychiatrist best known for his autobiographical book, The Story of San Michele

American statesman who served as the 27th President and 10th Chief Justice of the United States, the only person to hold both offices

American economist and sociologist known for his critique of capitalism and the concept of conspicuous consumption

French psychologist who, with Théodore Simon, invented the first practical intelligence test to help identify children needing educational support

German Marxist theorist, communist activist, and tireless advocate for women's rights

English composer and conductor known for his significant contributions to classical music, including the iconic Enigma Variations and Pomp and Circumstance Marches

Head of the Catholic Church from 1922 to 1939 and the first sovereign of Vatican City

French philosopher who founded positivism and coined the term "sociology" to establish a science of society

Prolific French poet and chansonnier, known as 'the most popular French songwriter of all time' and 'the first superstar of French popular music'

French mathematician who rigorously defined calculus, pioneered complex analysis, and profoundly influenced modern mathematics and physics

French writer, poet, dramatist, and novelist known for his autobiographical novel 'La Confession d'un enfant du siècle' and his contributions to French Romanticism