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
[{'content': 'The lawyer who designed the Public Health Act 1848 was ? \nSelect and explain. \nA. John snow, B. Edwin Chadwick, C. Joseph Lister, D. William Fan', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is \'b\' i.e., Edwin Chadwick o The great cholera epidemic of 1832 led Edwin Chadwick (1800-1890), a lawyer in England, to investigate the health of the inhabitants of large towns with a view to improve the conditions under which they live. o Chadwick\'s repo on "The Sanitary Conditions of the Labouring Population in Great Britain", a landmark in the history of public health, set London and other cities on the way to improve housing and working conditions. o Filth was recognized as man\'s greatest enemy and with this began an anti-filth crusade, the "great sanitary awakening", which led to the enactment of \'Public Health Act 1948\' in England.', 'role': 'assistant'}]