The Young Bull when he completed it; he died in 1654, before he reached 30. The painting was highly admired in the 18th and 19th centuries; in the 1870s the French artist and critic Eugène Fromentin asserted confidently that it, Rembrandt's "The Night Watch" and his "The Anatomy Lesson of Dr. Nicolaes Tulp" (also in the Mauritshuis) were the three most famous paintings in the Netherlands. The painting was enlarged by Potter, who added extra strips of canvas on both sides and at the top to his original composition, which just included the bull itself. The village in the background is Rijswijk, between
Nicolaes Tulp the condition we know as migraine, the devastating effects of tobacco smoking on the lungs, and reveals an understanding of human psychology in a description of the placebo effect. Tulp also discovered the ileocecal valve at the junction of the large and small intestines, still known as Tulp's valve. While Tulp made observations of various diseases, treatment often continued in the age-old way. His description of the symptoms of Beriberi in a Dutch seaman, for example, went unnoticed until the cause (vitamin B1 deficiency) was recognized two hundred years later by Christiaan Eijkman. Partially as a result of the success