Paul Ehrlich (Stanford University biologist and and author of the 1968 book “The Population Bomb”) thought that overpopulation would cause disaster and widespread scarcity. Ehrlich’s bleak vision was anything but that of a lone crank. Countless experts made similar forecasts in the 1950s and 1960s. In his book, Ehrlich declared that:

“the battle to feed all of humanity is over. In the 1970s, the world will undergo famines — hundreds of millions of people will starve to death in spite of any crash programs embarked upon now.”