-William Frederick Hoppe (surname rhymes with \"poppy\"), was an internationally renowned 美国艺术家 professional carom billiards champion, who was posthumously inducted into the Billiard Congress of America Hall of Fame in 1966.
-Sigmund Freud was an 奥地利艺术家 neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst.