Heinrich Rau
…Belchite, Teruel and the Aragon Offensive, where Rau was wounded. When Rau took charge of the XI Brigade, he might have been at odds with his predecessor, Richard Staimer, the future son-in-law of KPD leader Wilhelm Pieck. This was the time of the Great Purge which had its echos in Spain, and it could be perilous to have…