Andreas Vesalius
Andreas Vesalius (; 31 December 1514 – 15 October 1564) was a 16th-century Flemish anatomist, physician, and author of one of the most influential books on human anatomy, "De humani corporis fabrica" ("On the Fabric of the Human Body"). Vesalius is often referred to as the founder of modern human anatomy. He was born in Brussels, which was then part of the Habsburg Netherlands. He was professor at the University of Padua and later became Imperial physician at the court of Emperor Charles V.
Greene Vardiman Black
Greene Vardiman Black (1836–1915), commonly known as G.V. Black, is known as one of the founders of modern dentistry in the United States. He is also known as the father of operative dentistry. He was born near Winchester, Illinois on August 3, 1836 to William and Mary Black. He spent his early life on a farm and quickly developed an interest in the natural world. By the age of 17, Black began studying medicine with the help of his brother, Dr. Thomas G. Black. In 1857, he met Dr. J.C. Speer, who taught him the practice of dentistry. After the Civil War, in which he served as a union scout, he relocated to Jacksonville, Illinois (1864). It was here that he began an active career and research in the developing field of dentistry. He studied dentistry for 20 months (as was common at the time) followed by an apprenticeship He taught in the , beginning at 1890 before moving to Chicago.