Scientists, inventors and mathematicians
Notable peoplePoliticians and leadersScientists, inventors, and mathematiciansWriters and journalistsReligious figuresRevolutionaries and activistsPhilosophers and social scientistsWritersScientists, inventors and mathematiciansMusicians and composersPhilosophers, historians, political and social scientistsVisual artistsSports figuresMilitary leaders and theoristsRebels, revolutionaries and activistsEntertainersLeaders and politiciansExplorersDirectors, producers and screenwritersBusinesspeopleScientists and inventorsMathematiciansJournalistsArtistsMusiciansCriminalsFilmmakers
U
- Udny YuleBritish statistician and geneticist
- Unconscious inferenceInvoluntary aspect of visual perception
- United States Navy ReserveReserve Component of the United States Navy
- United States Patent and Trademark OfficeUnited States national patent bureau
- Universal jointMechanism with bendable rotation axis