Question: Who is credited with developing the scientific method?
Disambiguated questions and answers: question: Who formalized the scientific method?
Who pioneered the experimental scientific method?
Who did early work in creating the scientific method?
Who refined the process to develop the modern scientific method?
answer: Francis Bacon
Galileo Galilei
Aristotle
Isaac Newton
Natural Questions answer: Isaac Newton (from the Wikipedia article "History of scientific method")