The Quietude of the Dutch Estuary Gerardus Hendriks spent his life watching the movement of water and the shifting light of the Netherlands. Born in Amsterdam, his gaze eventually settled on the riverbanks and coastal stretches of Rotterdam. He lived there with his wife until her death in 1858, a period that marked the later years of his life. His work does not shout; instead, it captures the stillness of a winter morning or the slow…