That was harder than I thought. I set my sights on the periodic table from the start but it wasn't that easy to get there, trying to find a mention of a specific metal or something.

Inge Müller - Wikipedia, the free encyclopedia
Trümmerfrau - Wikipedia, the free encyclopedia
Mitte - Wikipedia, the free encyclopedia
Berlin Wall - Wikipedia, the free encyclopedia
Barbed wire - Wikipedia, the free encyclopedia
Zinc - Wikipedia, the free encyclopedia
Periodic table - Wikipedia, the free encyclopedia
Cobalt - Wikipedia, the free encyclopedia
Georg Brandt - Wikipedia, the free encyclopedia

Next up is Bill Neilson - Wikipedia, the free encyclopedia