This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
The tuberculous bacilli was discovered by- 
Select and explain. 
A. Robe Koch, B. Edward Jenner, C. Louis pateur, D. Jonas Salk
A: Robe Koch
Answer: A: Robe Koch 
Explanation: Ans. is 'a' i.e., Robe koch