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You say Erasistratus (E-Ris-trat-us) simples!
Aristotle and Erasistratus were among the first to perform experiments on living animals.
animal testing started in Greek by Aristotle & Erasistratus in the 17th century
erasistratus did
he discovered a way of curing a patient who was properly LOVESICK with their step mother. genius, huh?