List of Famous people who died in 1989

Odd Harald Medbøe was a Norwegian journalist, public relations officer, and author.

Francesco, Principe Ruspoli was the 8th Principe di Cerveteri, 8th Marchese di Riano, 13th Conte di Vignanello and Prince of the Holy Roman Empire, son of Alessandro Ruspoli, 7th Prince of Cerveteri and wife Marianita dei Duchi Lante Montefeltro della Rovere. His maternal grandmother was an American heiress from New York City, New York. His great-great-great-great-uncle was Bartolomeo Ruspoli and his great-great-great-great grandfather was Ippolito Lante Montefeltro della Rovere. He later became a poet and fought in both World Wars.

Derek Ball was a British sound engineer. He won an Academy Award for Best Sound for the film Star Wars Episode IV: A New Hope. He worked on 40 films between 1968 and 1987.

Józef Adam Zygmunt Cyrankiewicz (listen) was a Polish Socialist (PPS) and after 1948 Communist politician. He served as premier of the People's Republic of Poland between 1947 and 1952, and again for 16 years between 1954 and 1970. He also served as Chairman of the Polish Council of State from 1970 to 1972.

John Barkley Rosser Sr. was an American logician, a student of Alonzo Church, and known for his part in the Church–Rosser theorem, in lambda calculus. He also developed what is now called the "Rosser sieve", in number theory. He was later director of the Army Mathematics Research Center at the University of Wisconsin–Madison. Rosser also authored mathematical textbooks.