List of Famous people who died at 84

Gérard C. Louis-Dreyfus, also known as William, was a French-American businessman. His net worth was estimated at $3.4 billion by Forbes in 2006. He was the chairman of Louis Dreyfus Energy Services and the great grandson of Léopold Louis-Dreyfus, founder of Louis Dreyfus Group. He was the father of actress Julia Louis-Dreyfus.

John Benedict Hillerman was an American actor best known for his starring role as Jonathan Quayle Higgins III on the television series Magnum, P.I. that aired from 1980–1988. For his role as Higgins, Hillerman earned five Golden Globe nominations, winning in 1981, and four Emmy nominations, winning in 1987. He retired from acting in 1999.

Carlos Drummond de Andrade was a Brazilian poet and writer, considered by some as the greatest Brazilian poet of all time. He has become something of a national cultural symbol in Brazil, where his widely influential poem "Canção Amiga" has been featured on the 50-cruzado novo bill.

Mario Arnold Segale was an American businessman and real estate developer. He was involved in various development projects in the Seattle area from the 1950s onwards. The video game character Mario was named after Segale while he was renting a warehouse to Nintendo.

Hervé Bazin was a French writer, whose best-known novels covered semi-autobiographical topics of teenage rebellion and dysfunctional families.

Herbert Alexander Simon was an American economist, political scientist and cognitive psychologist, whose primary research interest was decision-making within organizations and is best known for the theories of "bounded rationality" and "satisficing". He received the Nobel Prize in Economics in 1978 and the Turing Award in 1975. His research was noted for its interdisciplinary nature and spanned across the fields of cognitive science, computer science, public administration, management, and political science. He was at Carnegie Mellon University for most of his career, from 1949 to 2001.

Stanislaus Lourduswamy, popularly known as Stan Swamy, was an Indian Roman Catholic priest, a member of the Jesuit order, and a tribal rights activist for several decades. Swamy was the oldest person to be accused of terrorism in India.

Dean Carroll Jones was an American actor best known for his roles as Agent Zeke Kelso in That Darn Cat! (1965), Jim Douglas in The Love Bug (1968) and Herbie Goes to Monte Carlo (1977) and Dr. Herman Varnick in Beethoven (1992). He was nominated for a Golden Globe Award for his performance as Albert Dooley in The Million Dollar Duck (1971). In 1995, Jones was inducted as a Disney Legends award winner for his film work.

Marcel Marceau was a French actor and mime artist most famous for his stage persona, "Bip the Clown". He referred to mime as the "art of silence" and he performed professionally worldwide for over 60 years. As a Jewish youth, he lived in hiding and worked with the French Resistance during most of World War II, giving his first major performance to 3,000 troops after the liberation of Paris in August 1944. Following the war, he studied dramatic art and mime in Paris.

Jean Marcel Lefebvre was a French film actor.