Thor Halvorssen and Alexander Lloyd


Thor Halvorssen is president of the New York-based Human Rights Foundation. Alexander Lloyd is managing director of the venture capital firm Accelerator Ventures.

Video

Where Time Comes From

The clocks that coordinate your cellphone, GPS, and more

Video

Computer Vision Syndrome and You

Save your eyes. Take breaks.

Video

What Happens in 60 Seconds

Quantifying human activity around the world

Writers

Up
Down