Jan Porcellis was a Dutch artist known for his contributions to the development of marine painting in the early 17th century. Born in Ghent, which was then part of the Spanish Netherlands, his exact birth date is not well-documented, but it is generally placed around 1583-1584. Porcellis moved to the Dutch Republic as a young man, where he worked in Rotterdam, Amsterdam, and Haarlem, and eventually settled in Zoeterwoude near Leiden. His early work is not well recorded, but by the 1620s, he had become a master of the marine genre. Porcellis's paintings often featured ships at sea, emphasizing the play of light on water and creating a sense of atmosphere that was new to the genre. He painted seascapes with a high horizon and a focus on the vastness of the sky, which became a characteristic of Dutch marine painting. His use of a limited color palette, with grays and browns, enhanced the realism of his seascapes. Porcellis's work influenced many artists, including his son, Julius Porcellis, who also became a marine painter. Jan Porcellis's approach to marine painting paved the way for later Dutch Golden Age painters, such as Simon de Vlieger and Willem van de Velde the Younger, who continued to develop the genre. Porcellis's paintings are found in several museum collections, attesting to his lasting impact on the art of marine painting. He died in 1632, leaving behind a body of work that continues to be studied and admired for its innovative approach to capturing the sea.