For more than a century, the world has witnessed numerous misguided attempts to control population growth, motivated by paranoia and bigotry ...

He imposed the most significant overhaul of the F.B.I. in its history. Later, after concluding that Russia had interfered in the 2016 election, he became a target of the president’s anger.

Paul Ehrlich, Stanford Professor of Population Studies, Emeritus. Stanford photo. Stanford biologist Paul Ehrlich, who died Sunday in Palo Alto at age 93, was a crusader whose dire predictions about ...