List of Famous people who are 73

Luigi Bonazzi is an Italian prelate of the Catholic Church who works in the diplomatic service of the Holy See. He has been the apostolic nuncio to Canada since December 2013.

Gale Tattersall is a British filmmaker, cinematographer and founder of the HDD SLR Workshops in Santa Monica, California. He was the cinematographer for such movies as The Commitments and Tank Girl and the director of photography on 120 House episodes. He is currently mentoring upcoming filmmakers on the art of cinematography and film making.

Neal I. Koblitz is a Professor of Mathematics at the University of Washington. He is also an adjunct professor with the Centre for Applied Cryptographic Research at the University of Waterloo. He is the creator of hyperelliptic curve cryptography and the independent co-creator of elliptic curve cryptography. He was hired as a consultant to Ethereum and advised Vitalik Buterin in Ethereum's early days.

Katya Wyeth is a model and actress notable for her roles in several classic horror films of the 1960s and 1970s. Her name sometimes appears as 'Katya Wyath' or 'Kathja Wyeth'. She was frequently typecast in roles requiring an attractive blonde woman.She was married to British actor Michael Bangerter.

David Harold Bailey is a mathematician and computer scientist. He received his B.S. in mathematics from Brigham Young University in 1972 and his Ph.D. in mathematics from Stanford University in 1976. He worked for 14 years as a computer scientist at NASA Ames Research Center, and then from 1998 to 2013 as a Senior Scientist at the Lawrence Berkeley National Laboratory. He is now retired from the Berkeley Lab, but continues as a Research Associate at the University of California, Davis, Department of Computer Science.

Elliot Davis is an American cinematographer.