Ludwig Josef Johann Wittgenstein (26 April 1889 – 29 April 1951) je omo Austria-Britani onimo oye ti ise re ni pataki da le lori ogbon, imo-oye mathematiki, imo-oye okan, ati imo-oye ede. "Time 100: Scientists and Thinkers". Time Magazine Online. Retrieved 29 April 2006.  Unknown parameter |dateformat= ignored (help)