List of Famous people who died at 68

Wolfgang Stegmüller was a German-Austrian philosopher with important contributions in philosophy of science and in analytic philosophy.

Yuri Petrovich Artyukhin was a Soviet Russian cosmonaut and engineer who made a single flight into space.

Otto Laporte was a German-born American physicist who made contributions to quantum mechanics, electromagnetic wave propagation theory, spectroscopy, and fluid dynamics. His name is lent to the Laporte rule in spectroscopy and to the Otto Laporte Award of the American Physical Society.

Rudolf Paul Joachim Kochendörffer was a German mathematician who was a Professor of mathematics in the University of Rostock specialising in algebra, Group theory and theory of finite groups and their representation. During World War II, Kochendörffer worked as a mathematical cryptanalyst in the mathematical referat of Inspectorate 7/IV, that would later become part of Referat I of Group IV of the General der Nachrichtenaufklärung, the signals intelligence agency of the Wehrmacht and was known as a cryptographic tester of the Enigma cipher machine. Kochendörffer was a Member of the Scientific Advisory Council for Mathematics at the State Secretariat for the Higher and Specialist Schools of the GDR, a staff member of Mathematical Reviews and collaborated with the Zentralblatt MATH

Manos Hatzidakis was a Greek composer and theorist of Greek music, widely considered as one of the greatest Greek songwriters of all time. His legacy and contribution is widespread among the works of contemporary Greek music, through the second half of the 20th and into the 21st century. He was also one of the main proponents of the "Éntekhno" form of music . In 1960, he received an Academy Award for Best Original Song for his song Never on Sunday from the film of the same name.

Feodor Felix Konrad Lynen was a German biochemist. In 1964 he won the Nobel Prize in Physiology or Medicine together with Konrad Bloch for their discoveries concerning the mechanism and regulation of cholesterol and fatty acid metabolism while he was director of the Max-Planck Institute for Cellular Chemistry in Munich.

Samuel Reber III was a diplomat who spent 27 years in the Foreign Service of the United States, including several years with the Allied High Commission for Germany. Threats by Senator Joseph McCarthy to reveal a homosexual incident in his past forced him to resign quietly from the State Department in 1953. McCarthy later publicly alleged that Reber had been forced to retire because he posed a "security risk."

Diego Jesús Jiménez de Cisneros Bermúdez was a Cuban-Venezuelan businessman. He founded Grupo Cisneros.