Celebrating the 75th anniversary of the founding of the Johns Hopkins University, this program highlights the scientific research and accomplishments of several Johns Hopkins scientists including: William Welch, whose work in pathology and bacteriology led to advances in the understanding of hog cholera, diphtheria, pneumonia, and gangrene; William Halstead, a surgeon who used cocaine as an anaesthetic and was the first to use rubber gloves in surgery; William Osler, who developed a new method of correlating medical research with clinical studies. Also highlighted are work in gynecology by Howard Kelly, embryology by Franklin Mill, hormones by John Jacob Abel, spectroscopy by Henry A. Rowland, brain surgery by Walter Dandy, fluoroscopy by Russell Morgan, and high altitude photography by Clyde Holiday. The president of Johns Hopkins University, Detlev W. Bronk, delivered an address on the importance of scientific research, explaining how curiosity for and exploration of the unknown, drives the scientist to discover new facts about our world through observation and experimentation.