The word strategy entered the English language in 1810. This is very late for an ordinary English word. It's not early 19th century, it's 1810. And I looked it up and discovered that it was the height of success of Napoleon Bonaparte as a general. He combined insights from previous campaigns in novel ways.
William Duggan, professor of management at Columbia Business School at Columbia University, talks about his latest book, Strategic Intuition. Duggan critiques traditional methods of strategy and planning and suggests that the opportunism and adaptability are more productive detailed plans. He also discusses the nature of intuition and creativity along with insights into how the brain works to better understand problem-solving.