CHT231128: Pythagoras (c.570-480 BC) (in the middle) teaching 8 other physicians including Galen (c.131-201) (bottom left) and Andromachus (bottom right), illustration from an arabic translation of 'De materia medica' by Dioscorides (c.40-90) (vellum), Islamic School, (13th century) / Bridgeman Images