a Dutch painter of festivals and ballroom scenes. He was influenced by his elder brother Frans Hals. He specialized in small paintings of "conversation pieces" or "merry companies" (Dutch: Gezelschapjes). He worked in Leiden in 1641 and 1648, and was an influence on the painters Nathaniel Bacon, Johann Hulsman, and Willem Cornelisz Duyster. His son Anthonie also became a painter. He was buried in the Waalse Kerk (Haarlem).
