Ledyard Tucker

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Ledyard Tucker
Born (1910-09-19)September 19, 1910
Glenwood Springs, Colorado
Died August 16, 2004(2004-08-16) (aged 93)
Savoy, Illinois
Nationality American
Alma mater University of Colorado
University of Chicago
Known for Angoff method
Tucker decomposition
Tucker–Koopman–Linn model
Scientific career
Fields Mathematics
Institutions Educational Testing Service
University of Illinois
Doctoral advisor Louis Leon Thurstone

Ledyard R. Tucker (19 September 1910 – 16 August 2004) was an American mathematician who specialized in statistics and psychometrics. His Ph.D. advisor at the University of Chicago was Louis Leon Thurstone. He was a lecturer in psychology at Princeton University from 1948 to 1960, while simultaneously working at ETS. In 1960, he moved to working full-time in academia when he joined the University of Illinois. The rest of his career was spent as professor of quantitative psychology and educational psychology at UIUC until he retired in 1979. Tucker is best known for his Tucker decomposition and Tucker–Koopman–Linn model. He is credited with the invention of Angoff method.

In 1957 he was elected as a Fellow of the American Statistical Association.[1]

He died at his home in Savoy, Illinois, on August 16, 2004, aged 94.

Selected publications[edit]


  1. ^ View/Search Fellows of the ASA, accessed 2016-07-23.