In this extraordinary study by philosopher of science Fran ois Dagognet, the intriguing figure of tienne-Jules Marey (1830-1904) emerges afresh. Known best for his innovative and influential chronophotography, Marey is studied here in the context of the full range of his interests and obsessions -- as physician, physiologist, aviation researcher, pioneer in time-motion studies, and prodigious inventor. The impact of Marey's work was to stimulate...