What president had been on army general in world war 2?

Some well known ww2 generals are listed here:

American:General MacArthur,Patton,Eisenhower,Marshall,and Bradley.

British:General Montgomery,Alexander,and Brooke.

French:General De Gaulle,and De Tassingy.

Soviet Union:General Zhukov,and Rokossovsky.

Australia:General Blamey,and White.

Canada:General Simonds,and Crerar.

Germany:General Himmler,Keitel,Rommel,Manstein,and Jodl.

Italy:General Badogilo,Cavallero,and Messe.

Japan:General Tojo,Hata,Yamashita,and Sugiyama.