Matthew Thomas Parker(born 22 December 1980) is an Australian recreational mathematician, author, comedian, YouTube personality and science communicator. His book Humble Pi was the first maths book in the UK to be a Sunday Times #1 bestseller. Parker was the Public Engagement in Mathematics Fellow at Queen Mary University of London.

Books in order of publication:

Things to Make and Do in the Fourth Dimension: A Mathematician’s Journey Through Narcissistic Numbers, Optimal Dating Algorithms, at Least Two Kinds of Infinity, and More – 2015

Humble Pi – 2019