About Vladimir Prelog
Vladimir Prelog was a Croatian-Swiss organic chemist who received the 1975 Nobel Prize in chemistry for his research into the stereochemistry of organic molecules and reactions. Prelog was born, and spent his infancy, in Sarajevo, and youth in Zagreb, Osijek and Prague. He later lived and worked in Prague, Zagreb and Zürich. Prelog and Kuria became friends, and continued communicating by letters after Prelog left Osijek.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.