1. Hadley Wickham - Statistician

Hadley Wickham is a prominent statistician and computer scientist known for his work in data analysis and visualization using the R programming language. He has developed several widely-used R packages, such as ggplot2 for creating graphs and dplyr for data manipulation, which make it easier for researchers and analysts to work with data. Wickham's contributions have significantly improved how people handle and understand data, fostering better insights in various fields, including science, business, and social studies. His work emphasizes the importance of reproducibility and transparency in data analysis.