Pieter Jacobsz Olycan

Pieter Jacobsz Olycan, by Frans Hals

Pieter Jacobsz Olycan (1572 – 1658), was a Dutch brewer, magistrate, and later mayor of Haarlem, best known today for his portraits by Frans Hals, as well as for the portraits of his wife Maritge Claesdr. Voogt.