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: Forensic Medicine
[{'content': 'The person who is often referred to as the father of toxicology for his first textbook on poison is: \nSelect and explain. \nA. Matthew Joseph Orfila, B. James Marsh, C. Robe Christison, D. Alexander Gettler', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Matthew Joseph Orfila, a spanish chemist, wrote the first textbook of poison in 1814. Orfla extracted arsenic from human tissue using a procedure for identification developed by James Marsh. The evidence was used in a cou in 1940 to convict Marie Lafarge of homicidal poisoning. Robe Christison was the father of British Toxicology and Alexander Gettler is known as the father of American Toxicology. Ref: Textbook of Forensic Medicine & Toxicology: Principles & Practice, 4/e by Vij, Page: 562', 'role': 'assistant'}]