Clostridium perfringens was discovered in 1891 by Dr. William H. Welch. It was originally known as Bacillus aerogenes capsulatus, followed by Bacillus welchii, before the final establishment of its current name. C. perfringens is a Gram-positive, bacillus (rod-shaped), anaerobic, spore-forming pathogenic bacterium of the genus Clostridium. C....