a French poet associated with the Symbolist movement and the Decadent movement. He is considered one of the greatest representatives of the fin de siècle in international and French poetry

a German engineer who successfully developed the compressed charge internal combustion engine which ran on petroleum gas and led to the modern internal combustion engine.

a Dutch astronomer. He carried out extensive studies of the Milky Way and was the discoverer of evidence for galactic rotation, also among the first to suggest the existence of dark matter

a British writer and physician. He created the character Sherlock Holmes in 1887 for A Study in Scarlet, the first of four novels and fifty-six short stories about Holmes and Dr. Watson

a French mathematician, physicist, astronomer, freemason, supporter of the Carbonari revolutionaries and politician.

a French novelist, essayist, diplomat and playwright. He is considered among the most important French dramatists of the period between World War I and World War II.