List of Famous people who are 84

Kōichirō Matsuura is a Japanese diplomat. He is the former Director-General of UNESCO. He was first elected in 1999 to a six-year term and reelected on 12 October 2005 for four years, following a reform instituted by the 29th session of the General Conference. In November 2009, he was replaced by Irina Bokova.

Gordon Leon Kane is Victor Weisskopf Distinguished University Professor at the University of Michigan and Director Emeritus at the Leinweber Center for Theoretical Physics (LCTP), a leading center for the advancement of theoretical physics. He was director of the LCTP from 2005 to 2011 and Victor Weisskopf Collegiate Professor of Physics from 2002 - 2011. He received the Lilienfeld Prize from the American Physical Society in 2012, and the J. J. Sakurai Prize for Theoretical Particle Physics in 2017.

John Brown is an American actor and singer. Brown is a nightclub and stage performer as well as a comic actor, and a regular cast member of the television series Laugh-in. Brown is mostly remembered for his chubby physique, wide ingratiating smile, mobile facial expressions, and easy pleasant joking style. Brown is most famous, however, for his role as building superintendent Nathan Bookman on the 1970s CBS sitcom, Good Times. Bookman was often the brunt of fat jokes via the show's main character J. J. Evans. Brown portrayed Bookman until the series was cancelled in 1979. Other television shows Brown has appeared on include The Flip Wilson Show, The Jeffersons, Family Matters, Sister, Sister, The Jamie Foxx Show and Martin. Brown also used to go to school with Walter Dean Myers when he lived in Harlem as a boy.

Osvaldas Jonas Balakauskas is a Lithuanian composer of classical music and diplomat.

Marian Gołębiewski was the Polish archbishop of Wrocław from 2004 to 2013. From 1996 to 2004, he was Bishop of Koszalin-Kołobrzeg.

Peter Campus, often styled as peter campus, is an American artist and a pioneer of new media and video art, known for his interactive video installations, single-channel video works, and photography. His work is held in the collections of numerous public institutions, including The Museum of Modern Art, Whitney Museum of American Art, Solomon R. Guggenheim Museum, Hamburger Bahnhof - Museum für Gegenwart, Tate Modern, Museo Reina Sofía, Albright-Knox Art Gallery, Walker Art Center, and the Centre Georges Pompidou. The artist works on the south shore of Long Island where he resides with his wife, artist Kathleen Graves.

John Robin Warren AC is an Australian pathologist, Nobel Laureate and researcher who is credited with the 1979 re-discovery of the bacterium Helicobacter pylori, together with Barry Marshall. The duo proved to the medical community that the bacterium Helicobacter pylori is the cause of most peptic ulcers.