List of Famous people who died at 75

Sir Harrie Stewart Wilson Massey was an Australian mathematical physicist who worked primarily in the fields of atomic and atmospheric physics.

Helmut Heißenbüttel was a German novelist and poet. Among Heißenbüttel's works are Das Textbuch and Marlowe's Ende. He received the important Georg Büchner Prize in 1969. His other awards include the Bundesverdienstkreuz Erster Klasse (1979) and the Austrian State Prize for European Literature (1990).

Jean Welz (1908–1975) was a South African artist.

Aurelio Peccei, was an Italian industrialist and philanthropist, best known as co-founder with Alexander King and first president of the Club of Rome, an organisation which attracted considerable public attention in 1972 with its report, The Limits to Growth.

Hellmuth Kneser was a Baltic German mathematician, who made notable contributions to group theory and topology. His most famous result may be his theorem on the existence of a prime decomposition for 3-manifolds. His proof originated the concept of normal surface, a fundamental cornerstone of the theory of 3-manifolds.

Kirill Trofimovich Mazurov was a Belarusian Soviet politician.

Andres Gandarias was a Spanish professional road bicycle racer. He finished in the top 10 of the Tour de France twice.