Luke Tierney
Luke Tierney is an emeritus professor at the University of Iowa and a member of the R Core Team, which builds and maintains R, a language widely used in statistics and data science. He earned degrees from Johns Hopkins University in 1977 and Cornell University in 1980, and he wrote the XLispStat package in 1990. In 2002 he arrived at Iowa as the Wareham Professor of Mathematical Sciences, and the American Statistical Association gave him its Statistical Computing and Graphics Award in 2019. The AAAS named him a fellow in 2021 for work on Bayesian statistics and statistical computing. In 2026 he was one of five laureates of the Rousseeuw Prize for Statistics, and he retired from his Iowa professorship in July 2026.
- Now at
- R Core Team and University of Iowa
- Works
- 138
- Citations
- 21,504
- h-index
- 25
Publication numbers from OpenAlex, as of 15 October 2026.
Timeline
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1977–1980
Degrees from Johns Hopkins and Cornell
He earns BA and MA degrees in mathematical sciences from Johns Hopkins University in 1977 and a PhD in operations research from Cornell University in 1980.
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1990
Writing the XLispStat package
In 1990 he writes the XLispStat package using C and Lisp.
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1990s
Joining the R project
In the mid-1990s he begins working on R, a language widely used in statistics and data science.
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2002
Ralph E. Wareham professor at Iowa
He arrives at Iowa in 2002 as the Ralph E. Wareham Professor of Mathematical Sciences.
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2019
Statistical Computing and Graphics Award
The American Statistical Association gives him the Statistical Computing and Graphics Award in 2019.
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2021
An AAAS fellowship
In 2021 the AAAS elects him a fellow for work on Bayesian statistics and statistical computing.
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2026
A share of the Rousseeuw Prize
In 2026 he shares the $1 million Rousseeuw Prize for Statistics with four other R Core Team members, who build and maintain R.
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Since July 2026
Emeritus professor at Iowa
He is an emeritus professor at Iowa, having retired in July 2026.
Sources and credits
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- Luke Tierney - Wikipedia
- UI statistician shares prestigious $1M Rousseeuw Prize for helping transform statistical computing | Iowa Now - The University of Iowa
- 7 Iowa faculty named AAAS fellows | Iowa Now - The University of Iowa
- Luke Tierney | Statistics and Actuarial Science - College of Liberal Arts and Sciences | The University of Iowa
- Rousseeuw Prize 2026 Awarded to the R Project - The R Blog