A Magical Answer to an 80-Year-Old Puzzle

Using crowd-sourced and traditional mathematics research, Terence Tao has devised a solution to a long-standing problem posed by the legendary Paul Erdős.

https://www.quantamagazine.org

The Erdős Discrepancy Problem

michaelnielsen.org
Paul Erdős

Paul Erdős was a Hungarian mathematician. He was one of the most prolific mathematicians of the 20th century. He was known both for his social practice of mathematics (he engaged more than 500 collaborators) and for his eccentric lifestyle. Erdős pursued problems in combinatorics, graph theory etc

en.wikipedia.org
The Man Who Loved Only Numbers

The Story of Paul Erdös and the Search for Mathematical Truth

www.nytimes.com
Paul Erdős - N is a Number