Irish mathematician and physicist who held the Lucasian Professorship at Cambridge for 54 years, becoming the longest-serving in its history

French Post-Impressionist and Symbolist painter and printmaker, celebrated for his experimental use of color and Synthetist style, as well as his influential wood engravings and woodcuts

Austrian philosopher and writer known for his influential work <em>Geschlecht und Charakter</em> and his impact on modern thought

Danish-French Impressionist and Neo-Impressionist painter who bridged multiple artistic movements and exhibited in all eight Impressionist exhibitions

English philosopher and political theorist who coined "survival of the fittest" and applied evolutionary principles to sociology and ethics