Willem Piso was a Dutch physician and naturalist who participated as an expedition doctor in Dutch Brazil from 1637 – 1644, sponsored by count Johan Maurits van Nassau-Siegen and the Dutch West India
Willem Piso by Jan de Baen (1662)
"Historia Naturalis Brasiliae" 1648
Title page of De Indiae utriusque re naturali et medica libri quatuordecim (1658)