List of Famous people who are 78

Robert W. Goodwin, billed as R. W. Goodwin, is an Australian-born American television producer and director best known for his work as senior executive producer of The X-Files. He lives in Bellingham, Washington.

Paul Joseph Cook is an American politician serving as a San Bernardino County Supervisor since 2020. A member of the Republican Party, he was previously elected to the Yucca Valley Town Council from 1998 to 2006, California State Assembly for the 65th district until 2012, and the U.S. Representative for California's 8th congressional district from 2013 to 2020.

Pierre St-Jean is a Canadian weightlifter who competed from the mid-1960s to the mid-1970s. He competed for Canada at the 1964, 1968 and 1976 Summer Olympics, with a best finish of 10th in 1968.

Pierre Risch, born in 1943 in Paris, is a painter, engraver, lithographer, sculptor, and French designer.

Meriç Sümen is a Turkish former ballerina and a choreographer.

Hanania Baer is a cinematographer who was born in Israel and works in the United States. He won a Daytime Emmy in 1984 for the ABC Afterschool Specials episode Andrea's Story: A Hitchhiking Tragedy.

Wolfgang Scheidel is an East German former luger who won the gold medal in the men's singles event at the 1972 Winter Olympics in Sapporo. He also won three medals at the FIL World Luge Championships with one gold in the men's doubles (1965) and two bronzes in the men's singles. He won a pair of silver medals in the men's singles event at the FIL European Luge Championships.

Victor Gershevich (Grigorievich) Kac is a Soviet and American mathematician at MIT, known for his work in representation theory. He co-discovered Kac–Moody algebras, and used the Weyl–Kac character formula for them to reprove the Macdonald identities. He classified the finite-dimensional simple Lie superalgebras, and found the Kac determinant formula for the Virasoro algebra. He is also known for the Kac–Weisfeiler conjectures with Boris Weisfeiler.

Horst Möller is a German contemporary historian. He is Professor of Modern History at the Ludwig Maximilian University of Munich (LMU) and, from 1992 to 2011, Director of the Institut für Zeitgeschichte.