List of Famous people who are 78

Viktor Alexandrovich Sidyak is a retired left-handed sabre fencer from Russia, a pupil of Mark Rakita and David Tyshler. He was known for his aggressive style and the "one-and-a-half tempo attack".

Janet Evanovich is an American writer. She began her career writing short contemporary romance novels under the pen name Steffie Hall, but gained fame authoring a series of contemporary mysteries featuring Stephanie Plum, a former lingerie buyer from Trenton, New Jersey, who becomes a bounty hunter to make ends meet after losing her job. The novels in this series have been on The New York Times, USA Today, Wall Street Journal and Amazon bestseller lists. Evanovich has had her last seventeen Plums debut at #1 on the NY Times Best Sellers list and eleven of them have hit #1 on USA Today Best-Selling Books list. She has over two hundred million books in print worldwide, and her books have been translated into over 40 languages.

Pierre Ramond is distinguished professor of physics at University of Florida in Gainesville, Florida. He initiated the development of superstring theory.

Wolfgang Nordwig is a former East German pole vaulter. He competed in the 1968 and 1972 Olympics and won a bronze and a gold medal, respectively, clearing 5.50 m in 1972.

Helen Rhoda Arnold Quinn is an Australian-born particle physicist and educator who has made major contributions to both fields. Her contributions to theoretical physics include the Peccei–Quinn theory which implies a corresponding symmetry of nature and contributions to the search for a unified theory for the three types of particle interactions. As Chair of the Board on Science Education of the National Academy of Sciences, Quinn led the effort that produced A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas—the basis for the Next Generation Science Standards adopted by many states. Her honours include the Dirac Medal of the International Center for Theoretical Physics, the Oskar Klein Medal from the Royal Swedish Academy of Sciences, appointment as an Honorary Officer of the Order of Australia, the J. J. Sakurai Prize for Theoretical Particle Physics from the American Physical Society, the Karl Taylor Compton Medal for Leadership in Physics from the American Institute of Physics, and the 2018 Benjamin Franklin Medal in Physics from the Franklin Institute.

Thomas Lee Holland is an American screenwriter, actor, and director best known for his work in the horror film genre, penning the 1983 sequel to the classic Alfred Hitchcock film Psycho, directing and co-writing the first entry in the long-running Child's Play franchise, and writing and directing the cult vampire film Fright Night. He also directed the Stephen King adaptations The Langoliers and Thinner. He is a two-time Saturn Award recipient. Holland made the jump into children’s literature in 2018 when he co-wrote How to Scare a Monster with fellow writer Dustin Warburton.

John Howard Casper is an American astronaut and United States Air Force pilot.