List of Famous people who are 78

Susan Linda Bay Nimoy is an American actress and director. Among her television appearances, she portrayed Admiral Rollman in two episodes of the television series Star Trek: Deep Space Nine: "Past Prologue" in the first season and "Whispers" in the second.

Elbert Leander "Burt" Rutan is a retired American aerospace engineer and entrepreneur noted for his originality in designing light, strong, unusual-looking, and energy-efficient air and space craft. He designed the record-breaking Voyager, which in 1986 was the first plane to fly around the world without stopping or refueling, and the Virgin Atlantic GlobalFlyer, which in 2006 set the world record for the fastest and longest nonstop non-refueled circumnavigation flight in history. In 2004, Rutan's sub-orbital spaceplane design SpaceShipOne became the first privately funded spacecraft to enter the realm of space, winning the Ansari X-Prize that year for achieving the feat twice within a two-week period.

William Bowrey is a former Australian tennis player.

Miet Smet is a Belgian politician for the Christian Democratic and Flemish party (CD&V).

Andrés Pascal Allende is a Chilean Marxist dissident and nephew of former President Salvador Allende. He is of Basque and Belgian descent.