List of Famous people who died at 55

Abraham Robinson was a mathematician who is most widely known for development of non-standard analysis, a mathematically rigorous system whereby infinitesimal and infinite numbers were reincorporated into modern mathematics. Nearly half of Robinson's papers were in applied mathematics rather than in pure mathematics.

Zoltán Kamondi was a Hungarian film director, actor, screenwriter and producer. He was born in 1960 in Budapest, Hungary.

Nick Auf der Maur was a journalist, politician and "man about town" boulevardier in Montreal, Quebec, Canada. He was also the father of rock musician Melissa Auf der Maur, through his marriage to Linda Gaboriau.

Antonio Bisaglia was an Italian politician, a member of Christian Democracy.

Harry Blum was a German politician and member of the CDU. On 1. October 1999 he became the first directly elected mayor of Cologne, but he only held that office for six months when he died suddenly in March 2000.

Todd Armstrong was an American actor who appeared in ten films and several television series. He is best known for playing the titular role in the cult classic Jason and the Argonauts (1963), after which his career rapidly waned. He also starred in syndicated crime drama Manhunt.

George Elmer Forsythe was the founder and head of Stanford University's Computer Science Department. George came to Stanford in the Mathematics Department in 1959, and served as professor and chairman of the Computer Science department from 1965 until his death. Forsythe served as the president of the Association for Computing Machinery (ACM), and also co-authored four books on computer science and a fifth on meteorology, and edited more than 75 other books on computer science.