Go to the ant, thou sluggard; consider her ways, and be wise.” Proverbs 6:6 Edward O. Wilson, the Harvard biologist who has died at age 92, is most famous for his contributions to evolutionary ...

Edward O. Wilson, who taught at Harvard for 46 years, was one of the world's leading experts on biodiversity. He died on Sunday in Burlington, Mass., at age 92. Edward O. Wilson, pictured above ...