It’s hard to fathom that once upon a time, photographs were rare. They were expensive, took forever and not everyone had access to them. Which means, that when a photograph was taken, it was a special occasion. This is why all those old-timey photos are always so serious.
Fortunately for us, Norwegian scientist Carl Størmer had a unique hobby – he took secret spy camera photographs on the streets of Oslo. Known for his work as a mathematician and physicist, this side of him wasn’t well known.