Sir JJ Thomson, British physicist Size:M: 75 x 60cm He is seated on a

He is seated on a green

Inscribed in ink with the title and a numbered key to the figures

Figures 1 A-C and 2 A-C are details of the head and pelvis of each reptile

French novelist

Sir JJ Thomson, British physicist Size:M: 75 x 60cm He is seated on aSir JJ Thomson, British physicist, 1932 (1956). In 1896 Thomson (1856 1940) , began experiments on cathode rays, proving that they are particles with a negative charge and much smaller than an atom, which were later named 'electrons'. He won the 1906 Nobel Prize for Physics for their discovery. In 1912 he went on to develop mass spectrometry. From the National Portrait Gallery, London. A print from People, a volume about the origin and early history