Professor Owen, c 1885.

Emanuel Swedenborg, Swedish mystic and scientist, 1734.

Stephen Hawking, English theoretical physicist, 1985.

'Professor Faraday', c 1865.

'Huxley', c 1865.

Andre-Marie Ampere, French physicist and mathematician, 1825.

Dr Farrants, c 1898.

Medal commemorating balloon flight of Piccard and Kipfer, 1931.

Leslie Howard and Wendy Hiller in a scene from 'Pygmalion', 1938.

'John Tyndall', 1865.

Pierre and Marie Curie, French physicists, c 1904.

Etienne-Francois Geoffroy, French chemist, 17th-18th century.