François_Henri_Hallopeau

François Henri Hallopeau (17 January 1842, Paris – 20 March 1919, Paris) was a French dermatologist. He studied medicine under Alfred Vulpian and Sigismond Jaccoud. He co-founded and was secretary general of the Société Française de dermatologie et de syphiligraphie. He became a member of the Académie de Médecine in 1893.
He coined the medical term trichotillomania in 1889. He also coined the word antibiotique in 1871 to describe a substance opposed to the development of life.Selman Waksman was later credited with coining the word antibiotic to describe such compounds that were derived from other living organisms, such as penicillin.