Katharina Wulff, PhD, Moving Boundaries Collaborative
As I talk with Katharina Wulff, the sun slowly sets in Umeå, northern Sweden, and the April snow is gradually melting outside her windows....
The biology of light, according to Manuel Spitschan, PhD
As I talk with Katharina Wulff, the sun slowly sets in Umeå, northern Sweden, and the April snow is gradually melting outside her windows....
Lisa Heschong, Fellow, Illumination Engineering Society
Olympic Swimming Hall, Munich, Germany. Architects: Frei Otto and Gunther Behnisch, 1972. Photo by Lisa Heschong, 2025.
Talking to Lisa Heschong on an early Thursday...

