Job Janszoon van Meekeren with five learning surgeons, by Thomas de Keyser. Nicolaes Eliasz, named Pickenoy, painted Dr. Johan Fonteyn in 1625, and Rembrandt is well known for the Anatomy Lesson of Dr. Tulp (1632) and Dr. Deyman (1656). It is peculiar that a portrait of van Meekeren could not be traced. Job Janszoon van Meekeren Job van Meekeren (1611 – 6 December 1666, in Amsterdam) was a Dutch surgeon. Van Meekeren was a pupil of Nicolaas Tulp and became a surgeon in Amsterdam in 1635. He was respected by outstanding contemporary medical doctors for his knowledge of medical literature and his skills, who
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