Nostradamus (1503-66) was a French doctor, astrologer and seer during the Inquisition, successful in treating patients during an outbreak of plague.Nostradamus (1503-66) was a French doctor, astrologer and seer during the Inquisition, successful in treating patients during an outbreak of plague.Nostradamus (1503-66) was a French doctor, astrologer and seer during the Inquisition, successful in treating patients during an outbreak of plague.