A Life in Lines and Forms Johan Coenraad Hermann Heyenbrock lived a life deeply connected to the visual arts, moving through the world as a creator of many forms. Born in Amsterdam in 1871, he possessed a versatile hand that allowed him to work not only with paint but also with the precision of a printmaker and the wit of a cartoonist. His creative period spanned several decades, beginning around 1886 and continuing until his death in…