Tune in Friday, June 29th @ noon to hear this week’s Spectrum guest, Lisa Randall. Lisa Randall is a theoretical physicist and a leading expert on particle physics and cosmology. During this week’s show, she will discuss her newest book, “Knocking On Heaven’s Door: How Physics and Scientific Thinking Illuminate the Universe and the Modern World”.
Lisa Randall on Spectrum
![Spectrum-logo_4](https://kalx.berkeley.edu/wp-content/uploads/2014/06/Spectrum-logo_4_3.jpg)