This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Scientist who is considered as father of modern pharmacology \nSelect and explain. \nA. Ram Nath Chopra, B. Oswald Schmiedeberg, C. David Sackett, D. Paul Ehrlich', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Oswald Schmiedeberg is father of modern Pharmacology. Sir Ram Nath Chopra-father of Indian pharmacology, David Sackett is father of evidence-based medicine. Paul Ehrlich -father of chemotherapy', 'role': 'assistant'}]