Ledyard Tucker

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

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. Tucker is best known for his Tucker decomposition and Tucker–Koopman–Linn model. He is credited with the invention of Angoff method.

Selected publications

• Ledyard Tucker (September 1966). "Some mathematical notes on three-mode factor analysis". Psychometrika 31 (3): 279–311. doi:10.1007/BF02289464.

References

• A Conversation with Ledyard R Tucker by Neil J. Dorans
• Remembering Ledyard R Tucker by Tom Stewart