To err is human, but to really foul things up you need a computer.

However he always has been a strong advocate of government intervention into population control. Ehrlich is best known for his dire warnings about population growth and limited resources. D.

Ehrlich became well-known after publication of his controversial 1968 book The Population Bomb. In the years since some of Ehrlich's predictions have proven incorrect but he stands by his general thesis that the human population is too large and is a direct threat to human survival and the environment of the planet.