Merci! Great question and point! We Yanks remain quite indebted, of course, to the work and writings of Friedrich Wilhelm Ludolf Gerhard Augustin von Steuben. It can't have been all downhill from there, could it?
I notice the thread is trending toward identifying sources for "lessons" vs. your original question of who might be out there capturing/generating infantry theory. While I'm sure these are interlocking fields of fire, I got the feeling you were originally looking for sources who might one day gun for the title of "21st century infantry intellectual grand-daddy," someone along the lines of Heinz Guderian ("Achtung-Panzer!") for armor, or Billy Mitchell ("Winged Defense") for air power. Am I wrong?
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