Karl F. Meyer

Karl Friedrich Meyer (May 19, 1884 – April 27, 1974) was a [Swiss] born American pathologist. His career was dedicated to work on infectious disease; he worked on Brucellae and the human and animals diseases it causes, he discovered the virus that caused western equine encephalitis and a number of similar viruses, he discovered the cause of psittacosis after falling ill with it himself. He developed a vaccine against pneumonic plague that was used in World War II and he developed food commercial processing standard that prevented botulism contamination.

Reference

 * Lederer, S. E. Meyer, Karl Friedrich. American National Biography Online Feb. 2000.