List of Famous people who are 85

Ronald Björn Jensen is an American mathematician who lives in Germany, primarily known for his work in mathematical logic and set theory.

Joel Fabiani is an American film, television and theater actor. Known for his leading role in the British TV series Department S, Fabiani has guest starred in The FBI, Barnaby Jones, The Streets of San Francisco, Banacek, Cannon, The Rockford Files and Starsky and Hutch.

Robert H. Wurtz is an American neuroscientist working as a NIH Distinguished Scientist and Chief of the Section on Visuomotor Integration at the National Eye Institute. He is a member of the US National Academy of Sciences and the American Academy of Arts and Sciences. He is recognised for developing methods for studying the visual system in 'awake-behaving' primates, a technique now widely used for the study of higher brain functions. He pioneered the study of the neuronal basis of vision and its relation with cognitive functions.

Mariclare Costello is an American television, stage, and movie actress. She is a lifetime member of The Actors Studio. Costello's most notable role was that of Rosemary Hunter Fordwick on the television series The Waltons, from 1972 to 1977. In 1977, after her role on The Waltons, she played matriarch Maggie Fitzpatrick on the short-lived drama show The Fitzpatricks.

Mark Goddard is an American actor who has starred in a number of television programs. He is probably best known for portraying Major Don West, the hot-tempered second in command of the Jupiter 2, in the CBS series Lost in Space (1965–1968). He also played Detective Sgt. Chris Ballard, The Detectives, starring Robert Taylor.

Robert Woodrow Wilson is an American astronomer who, along with Arno Allan Penzias, discovered cosmic microwave background radiation (CMB) in 1964. The pair won the 1978 Nobel prize in physics for their discovery.