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: Social & Preventive Medicine
Father of Evidence Based Medicine is 
Select and explain. 
A. Sackett, B. Da vinci, C. Hippocrates, D. Tolstoy
A: Sackett
Answer: A: Sackett 
Explanation: Wrote the following books:
1. Clinical Epidemiology
2. Evidence Based Medicine