Kooikers appeared in the paintings of a Dutch painter whose works are known for their abundance of what?
Jan Steen Jan Havickszoon Steen (c. 1626 – buried 3 February 1679) was a Dutch genre painter of the 17th century (also known as the Dutch Golden Age). His works are known for their psychological insight, sense of humour and abundance of colour.
Jacob van Ruisdael Jacob Isaackszoon van Ruisdael (] ;  1629 – 10 March 1682) was a Dutch painter, draughtsman, and etcher. He is generally considered the pre-eminent landscape painter of the Dutch Golden Age, a period of great wealth and cultural achievement when Dutch painting became highly popular.