List of Famous people who are 78

Howard Chaim Cedar is an Israeli American biochemist who works on DNA methylation, a mechanism that turns genes on and off.

Gérard Bouchard is a Canadian historian and sociologist affiliated with the Université du Québec à Chicoutimi. Born on 26 December 1943 in Jonquière, Quebec, he obtained his master's degree in sociology from Université Laval in 1968 and later obtained his PhD in history from the University of Paris in 1971. Bouchard had authored, co-authored, edited, or co-edited 26 books, and published 230 papers in scientific journals as of 2005.

Peter Philip Carey AO is an Australian novelist. Carey has won the Miles Franklin Award three times and is frequently named as Australia's next contender for the Nobel Prize in Literature. Carey is one of only five writers to have won the Booker Prize twice—the others being J. G. Farrell, J. M. Coetzee, Hilary Mantel and Margaret Atwood. Carey won his first Booker Prize in 1988 for Oscar and Lucinda, and won for the second time in 2001 with True History of the Kelly Gang. In May 2008 he was nominated for the Best of the Booker Prize.