Klaus Ruedenberg
German-American chemist

Klaus Rüdenberg (born August 25, 1920) is a German-born American chemist.
Life and career
Ruedenberg was born in Bielefeld, the son of Otto Rüdenberg and Meta Sophie Wertheimer. His father was Jewish. He attended the University of Fribourg, earning his MS degree in chemistry and mathematics. He also attended the University of Zurich, earning his PhD degree in theoretical physics. After earning his degrees, he worked as a research associate with Robert S. Mulliken at the University of Chicago from 1950 to 1955.
Ruedenberg served as a professor in the department of the Johns Hopkins University from 1962 to 1964. During his years as a professor, in 1962, Ruedenberg was named a fellow of the American Physical Society, After his professorship at Hopkins, he served as a professor in the same department at Iowa State University from 1964 to 1991. During his years as a professor, in 1978, he was named a distinguished professor, and in 1980, he was named a fellow of the American Association for the Advancement of Science.
In 2005, Ruedenberg was named an honorary member of the International Academy of Mathematical Chemistry.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 1, 2026. The linked authority identifier is Q29862597. VIAF identifies the subject as 164727047. The Library of Congress control number is no2011176011. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1920, 1950, 1955 and 1962.
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