That paintings shows a blue and gold flag displayed over the titular group.
This artist painted a naked woman towelling off her leg in Bathsheba at her Bath and painted seven bearded men watching  the title doctor dissect a cadaver. In addition to The Anatomy Lesson of Dr. Tulp, this artist painted a work containing a young girl holding a chicken and dressed in gold. That paintings shows a blue and gold flag displayed over the titular group. For ten points, name the artist who zolpainted several militiamen in The Night Watch.
This artist painted a naked woman towelling off her leg in Bathsheba at her Bath and painted seven bearded men watching  the title doctor dissect a cadaver.
{Rembrandt} Harmenszoon van Rijn