'Sir Isaac Newton'
Probably by Gaspar van der Hagen (active 1747-died 1769)
Museum no. A.22-1938
Given by Dr W.L. Hildburgh FSA
The artist was born in the Netherlands but worked in London, in the workshop of Michael Rysbrack. This portrait of Newton was one of a series of British 'worthies', some of them based on full-sized busts by Rysbrack himself.