It&#x27;s interesting to realize that seemingly commonplace objects had a sole inventor. I&#x27;ve used dozens of drywall anchors in my house that look identical to the one in the picture (albeit a little smaller).<p>And a survivor from the losing side of the Battle of Stalingrad. With respect to both sides, that&#x27;s a rare membership.<p>&gt; Adolf Hitler paid a surprise Christmas visit in 1939. “I had made a model airplane to give my mother as a Christmas present,” Mr. Fischer told Der Spiegel. “Then my commanding officer said that I was the best mechanic and I should give the plane to Hitler. It was a horrible time.”