David Darling is a science writer, astronomer and tutor.

He is the author of nearly fifty books, including the bestselling Equations of Eternity. He lives in Dundee, Scotland.

Agnijo Banerjee is one of the world's most outstanding young mathematicians and a former student of Darling's.

At the age of thirteen he attained the highest possible score on Mensa's IQ test and in 2018 he came joint first in the International Mathematical Olympiad, becoming the first person from the UK to obtain a perfect score in 24 years.

He was born in Kolkata, India, but has spent most of his life in Scotland. He is now continuing his studies at Trinity College, Cambridge