SACHI Invites Members and Friends to a Summer Offering of Theater and Lunch. A special weekend brunch at Amber Restaurant, Los Altos will be followed by Bay Area Drama Company’s Live Production of The Square Root of a Sonnet based on the life and story of Nobel Prize winning scientist, S. Chandrasekhar (1910-1995). The performance will be preceded by a short introduction to the history and science of black holes by Prof. Raja GuhaThakurta, Astronomy & Astrophysics Dept., UC Santa Cruz.  A Q & A follows the performance.