The villa has been freshly painted white, wooden pallets and cardboard boxes are leaning up against the wall, and the bare ground in the front yard has been freshly raked. Inside, Steffen Terberl and Georg Wittenburg are carrying a desk down the stairs.

Germany, the early 1930s: More than six million are unemployed, many companies have gone bankrupt, and families have been cast into poverty. It is an economic crisis the likes of which have never been seen before. Poverty offers fertile ground for hate.

In 2003, construction workers in the Hungarian village of Szólád, in the hilly southwest of the country, stumbled across a burial ground. Not long after a man’s remains were unearthed, researchers began excavating the rest of the area.