List of Famous people who died at 81

Péter Komlós was a Hungarian violinist, known particularly as the founder of the Bartók String Quartet.

Milton Stanley Livingston was an American accelerator physicist, co-inventor of the cyclotron with Ernest Lawrence, and co-discoverer with Ernest Courant and Hartland Snyder of the strong focusing principle, which allowed development of modern large-scale particle accelerators. He built cyclotrons at the University of California, Cornell University and the Massachusetts Institute of Technology. During World War II, he served in the operations research group at the Office of Naval Research.

Aleksander Bardini was a Polish theatre and opera director, actor, notable professor at the State Theatre School in Warsaw. He appeared in 30 films between 1937 and 1994.

Robert Leckie was an United States Marine and author of books on United States military history, sports, fiction, autobiographies, and children's books. As a young man, he served with the 1st Marine Division during World War II; his service as a machine gunner and a scout in the war greatly influenced his work.