This article appeared in the Medical News; A Weekly Medical Journal vol. 50, January - June 1887. The article was written by H. A. Hare, M.D. who conducted the experiment at the University of Pennsylvania. Hare was a descendent of Robert Hare - the man who made the first Porter in Philadelphia and in this experiment beers from the Bergner & Engel, Louis Bergdoll, Continental and John F. Betz brewing companies were used.