Tolong jelaskan mengenai Tumbu kaluar dari Karl Pearson dalam bahasa sunda

The MacTutor History of Mathematics  archive at St. Andrews University includes biographies of mathematicians and statisticians (including Péarson), as well as general information on the history of mathematics.

John Aldrich's Karl Pearson: a Reader's Guide contains many useful links to further sources of information.

Gavan Tredoux's Francis Galton site, galton.org, contains Péarson's biography of Francis Galton, and several other papers - in addition to néarly all of Galton's own published works.