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MAKING THE MODERN WORLD
Stories about the lives we've made

Icon:Lovelock's electron capture detector, 1960

related ingenious images © Science Museum/Science and Society Picture Library

James Lovelock, a British chemist and pioneer in the field of environmental science, developed this highly sensitive detector for measuring air pollution in 1960. In the summer of 1967 he measured the - supposedly clean - air blowing off the Atlantic onto the west coast of Ireland and found that it contained chlorofluorocarbons (CFCs), now known to cause ozone depletion.

Lovelock elaborated his famous, but controversial, Gaia hypothesis in 1972, in which he proposed that all life on Earth interacts with the physical environment, to form a complex system which can be thought of as a single organism.

Inv. 1977-258
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