Which man wrote a famous book on military strategy conceived by great leader?

The most likely answer you're looking for is Sun Tzu, the author of The Art of War.

* Sun Tzu was a Chinese general, strategist, and philosopher who lived during the late Spring and Autumn Period (771–476 BC).

* The Art of War is a classic military treatise that has influenced both military thinking and business strategy for centuries.

It's considered one of the most important works on strategy ever written.