People Social History. pic: circa 1940's. Black Hills, South Dakota, USA. An old gold prospector seen prospecting for gold with an interested spectator alongside. [Getty Images]

People, Social History, pic: circa 1940's, Black Hills, South Dakota, USA, An old gold prospector seen prospecting for gold with an interested spectator alongside (Photo by Paul Popper/Popperfoto via Getty Images/Getty Images)

Popperfoto Paul Popper/Popperfoto