Hadley Wickham interviewed at Strata 2014

Hadley Wickham is Chief Scientist at RStudio. He is an active member of the R community, has written and contributed to over 30 R packages, and won the John Chambers Award for Statistical Computing for his work developing tools for data reshaping and visualisation. His research focusses on how to make data analysis better, faster and easier, with a particular emphasis on the use of visualisation to better understand data and models.

[naren_legha]

This guy has given so much to R, I cannot think of any other person who has as much influence on R language as him.