Fabry, Marie Paul Auguste Charles (1867–1945)
A French physicist who co-invented the Fabry-Pérot
interferometer, with Alfred Pérot, and suggested the use of the Fabry
lens. He is also known for his research into light in connection with
astronomical phenomena, and as the discoverer of the ozone
layer in the upper atmosphere. He became a professor at the University of
Marseilles (1904) and the Sorbonne (1920).