Joe's signature is on my diploma.
We had a lot of guest lecturers who had lived it on the ground.
While in the service I got to know our training brigade's Sergeant Major. In WWII he was a Captain assigned directly to work with Russians on the Trans Siberian ~ moving stuff from America to the front the long way. He was quite an interesting guy and boy could he play chess!
Another good book I like is, Voices of Valor, D-Day: June 6, 1944. I recieved both books as a Christmas gift from my daughter, she knows her MOM (me) likes war stories. My dad served in the Pacific in ww2, and Korea, he was a medic. He wasn't too keen talking about the things he saw and I never pressed him. He had his reason's and that was good enough for me.