Frédéric Houssay is a French zoologist , born on February 28 , 1860 in Dol-de-Bretagne and died on September 18 , 1920 in Lyon .

Frédéric Houssay is a French zoologist , born on February 28 , 1860 in Dol-de-Bretagne and died on September 18 , 1920 in Lyon . Less