List of Famous people who are 73

Nicholas Guy Halsey TD, DL, FRICS is the heir to the Halsey Baronetcy.

Patrick Philippe Moraz is a Swiss musician, film composer and songwriter best known for his tenures as keyboardist in the rock bands Yes and The Moody Blues.

Howard Emerson Flight, Baron Flight is a Conservative politician in the United Kingdom and a member of the House of Lords who was Member of Parliament for Arundel and South Downs from 1997 to 2005. He held several Shadow posts: Shadow Economic Secretary to the Treasury from 1999 to 2001, Shadow Paymaster General from 2001 to 2002, and Shadow Chief Secretary to the Treasury from 2002 to 2004.

Margaret Edith Weis is an American fantasy and science fiction writer and author of dozens of novels and short stories. Along with Tracy Hickman, Weis is one of the original creators of the Dragonlance game world.

Archbishop Leo (Makkonen) of Helsinki and All Finland, head of the Finnish Orthodox Church, was born in Pielavesi in eastern Finland on June 4, 1948. After completing studies in 1972 at the Kuopio seminary, he was ordained deacon on 20 July 1973 and priest two days later.

Sergey Mikhaylovich Ignatyev is a Russian economist, banker, and official.

Tadatsugu Taniguchi is a Japanese immunologist known for his pioneer research on Interferons and Interferon regulatory factors.

Mariano Martínez is a French former professional road racing cyclist. He won the King of the Mountains competition in 1978 Tour de France. Although he was born in Spain, he became a naturalized French citizen in 1963.