Henry Mayhew was an English social researcher, journalist, playwright and advocate of reform. He was one of the co-founders of the satirical and humorous magazine Punch in 1841. He is also known for his work as a social researcher, publishing an extensive series of newspaper articles in the Morning Chronicle that was later compiled into the book series London Labour and the London Poor (1851), a groundbreaking and influential survey of the city's poor.
The deductive method is the mode of using knowledge, and the inductive method the mode of acquiring it. .
