List of Famous people who died in 2003

Bishop Isidore Borecky was a Ukrainian-born Canadian Ukrainian Greek Catholic hierarch. He served as the Titular Bishop of Amathus and the first Eparchial Bishop of the new created Ukrainian Catholic Eparchy of Toronto from 17 January 1948 until his retirement on 16 June 1998.

Jacqueline Katherine Browne was an American film and television actress.

Vernon Willard Hughes was an American physicist specializing in research of subatomic particles. Hughes was born in Kankakee, Illinois. During World War II, he worked at the M.I.T. Radiation Lab. He earned his PhD under I. I. Rabi at Columbia University in 1950. Hughes was notable for his research of muons which showed the existence of previously undetected matter. He was also noted for research that showed that protons have gluons and quarks. Hughes was a member of the National Academy of Sciences, Sterling Professor at Yale University, and a recipient of Rumford Prize, and a recipient of Davisson-Germer Prize in Atomic Physics and the Tom W. Bonner Prize in Nuclear Physics, both from the American Physical Society.

Bruno Bernard Heim was the Vatican's first Apostolic Nuncio to Britain and was one of the most prominent armorists of twentieth century ecclesiastical heraldry. He published five books on heraldry and was responsible for designing the coats of arms of four popes. He was also Grand Prior of the Sacred Military Constantinian Order of Saint George.

Armand Borel was a Swiss mathematician, born in La Chaux-de-Fonds, and was a permanent professor at the Institute for Advanced Study in Princeton, New Jersey, United States from 1957 to 1993. He worked in algebraic topology, in the theory of Lie groups, and was one of the creators of the contemporary theory of linear algebraic groups.

Tom Busby was a Canadian actor and agent. Among his film credits were The War Lover (1962); The Dirty Dozen (1967) as Milo Vladek, one of the dozen; and Heavenly Pursuits (1986).