List of Famous people who are 90

Igor Ekhielevich Dzyaloshinskii, was a Russian theoretical physicist, known for his research on "magnetism, multiferroics, one-dimensional conductors, liquid crystals, van der Waals forces, and applications of methods of quantum field theory". In particular he is known for the Dzyaloshinskii-Moriya interaction.

Joanna Merlin is an American actress and casting director who has worked with Stephen Sondheim and starred in the original Broadway production of Fiddler on the Roof. She has written two acting guides and is a faculty member of New York University's graduate acting program. In recent years, she has become known for her recurring role on Law & Order: Special Victims Unit as Judge Lena Petrovsky.

Peter Kirby is a Canadian bobsledder who competed in the mid-1960s. He won a gold medal in the four-man event at the 1964 Winter Olympics in Innsbruck. He was born in Montreal, Quebec.

Les Fresholtz is an American sound engineer. He won two Academy Awards for Best Sound and was nominated for ten more in the same category. He worked on more than 110 films between 1968 and 1996.

Paolo Portoghesi is an Italian architect, theorist, historian and professor of architecture at the University La Sapienza in Rome. He is a former President of the architectural section of the Venice Biennale (1979–92), Editor-in-chief of the journal Controspazio (1969–83), and dean of the Faculty of Architecture at the Politecnico di Milano university (1968–78).

Jerome Rothenberg is an American poet, translator and anthologist, noted for his work in the fields of ethnopoetics and performance poetry.