Orderic Vitalis was an English chronicler and Benedictine monk who wrote one of the great contemporary chronicles of 11th- and 12th-century Normandy and Anglo-Norman England. Modern historians view him as a reliable source.
Ordway Tead was an American organizational theorist, adjunct professor of industrial relations at Columbia University, chair of the New York Board of Higher Education, and first president of the Society for Advancement of Management (SAM) in 1936–37.
Oren Patashnik is an American computer scientist. He is notable for co-creating BibTeX, and co-writing Concrete Mathematics: A Foundation for Computer Science. He is a researcher at the Center for Communications Research, La Jolla, and lives nearby in San Diego. Oren and his wife Amy have three children, Josh, Ariel, and Jeremy.
Orest Danilovich Khvolson or Chwolson was a Russian physicist and honorary member of the Soviet Academy of Sciences (1920). He is most noted for being one of the first to study the gravitational lens effect.
Orest Ivanovych Levytsky was a Ukrainian historian, ethnographer, and writer. He was a member of Kiev Hromada (Hromada), an editor of Kievan Past and a Russian language philologist.
Orest Fyodorovich Miller was a Russian folklorist, professor in Russian literature, of Baltic German origin from Estonia. He is the author of the book "Илья Муромец и богатырство киевское"
Ferit Orhan Pamuk is a Turkish novelist, screenwriter, academic, and recipient of the 2006 Nobel Prize in Literature. One of Turkey's most prominent novelists, he has sold over 13 million books in 63 languages, making him the country's best-selling writer.
