List of Famous people who are 73

Robert Howard Crabtree is a British-American chemist. He is serving as Whitehead Professor of Chemistry at Yale University in the United States. He is a naturalised citizen of the United States. Crabtree is particularly known for his work on "Crabtree's catalyst" for hydrogenations, and his textbook on organometallic chemistry.

Magnhild Meltveit Kleppa is a Norwegian politician for the Centre Party.

Daniel Harry Friedan is an American theoretical physicist and one of three children of the feminist author and activist Betty Friedan. He is a professor at Rutgers University.

Frank L. VanderSloot is an American entrepreneur, radio network owner, rancher, and political campaign financier. He is the founder and chief executive officer of Melaleuca, Inc. His other business interests include the Riverbend Ranch and Riverbend Communications. VanderSloot also serves on the board of directors and executive board of the U.S. Chamber of Commerce. In 2011, the Land Report listed him as the nation's 92nd largest landowner. In 2017, Forbes listed VanderSloot as the richest person in Idaho and the 302nd wealthiest American with a net worth of $2.7 billion.

Ibrāhīm Kūnī is a Libyan writer and one of the most prolific Arabic novelists.

Thomas Huschke is a retired East German cyclist. He competed at the 1972 and 1976 Summer Olympics in the 4000m individual and team pursuit events. He won a silver team medal in 1972 and an individual bronze medal in 1976, where his team also finished in fourth place overall.

Werner Otto is a retired track cyclist from East Germany. He competed in the 2000 m tandem at the 1968 and 1972 Olympics and won a silver medal in 1972, alongside Jürgen Geschke; they finished fifth in 1968. At the world championships Otto and Geschke won two gold, one silver and one bronze medal in 1969–1973.

Grainger Hines is an American actor, writer, producer, and director.