He knew music, classical to serial, and the history of mathematics, and a hundred other things.

NEWYORKER: Midnight in Dostoevsky

Many of the ancient hierarchical world empires (Egypt, Babylon, etc.) have fat chapters in history of mathematics texts.

FORBES

In the secondary sector, cuts range from 19% in the case of trainee history teachers to small increases in the number of places for religious education and mathematics.

BBC: NEWS | UK | Education | Teacher training places reduced

He bought thousands of books including works on music, mathematics, astronomy, history, geography, magic, theology and philosophy.

ECONOMIST: Spanish empire