Sir Robert Harley was an English statesman who served as Master of the Mint for Charles I. A devout Puritan, he supported Parliament in the Wars of the Three Kingdoms.

Sir Thomas Aylesbury, 1st Baronet (1576–1657) was an English civil servant, Surveyor of the Navy from 1628 and jointly Master of the Mint from 1635, and a patron of mathematical learning. He was the great-grandfather of two British queens, Mary II and Anne.